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My key fob battery low keeps displaying and I do not have no key with battery and it also displays perform service.

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  • 127 Answers

Check your battery voltage or replace it.

Posted on Nov 01, 2012

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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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SOURCE: battery low on key fob

There are 2 or 3 ways to approach this. 1, the owners manual may tell you, the dealer can tell you (and change it), you can open it up and take it out and read the size on the battery. They are readily available. Be careful not to touch the new battery with your fingers (use tissue or gloves) as the oil on your fingers will cause it not to work or shorten its life.

Posted on Dec 03, 2008

  • 1 Answer

SOURCE: Key Fob battery replacement

A pushpin inserted into the hole with a push pry motion pops mine right off with no damage.

Posted on Jan 29, 2009

  • 318 Answers

SOURCE: toyota corolla verso 7 seater fob wont lock or unlock key wll

Battery of fob must be strong to work. You can try reinitialising the fob.

Posted on Jul 18, 2009

  • 17 Answers

SOURCE: Peugeot 406 hdi executive 2002 will not start

hi pal was it doing it before you changed the battery or afterwards? try putting the key in the ignition and holding the lock button for 10-15 seconds it seems to be immobiliser fault and the key sign represents that its not coded to the car hop it helps you

Posted on Nov 15, 2009

  • 1 Answer

SOURCE: how do you charge the key fob.. The message on the

The key fob does not get charged. Instead you replace the battery inside the Fob. if you look behind the fob it tells you what battery it needs for replacement. CR2032

Posted on Jan 14, 2010

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Program new key fob for Cadillac cts 2003


There are several methods of doing this - but your 2003 requires that you either go to the dealer for them to add a FOB with special equipment (ask if they'll do it for free - can't hurt). If you have time to kill, you can do it yourself with Method 3 as described and found at:

Key Fob Reprogramming General Cadillac Forums

Method 3 - Key Fob Auto Learn


This procedure will first erase all known key fobs. The procedure will then program a single or multiple key fobs. Method 3 is a series of three 10-minute key cycles, for a total of 30 minutes. This procedure requires that you have a replacement key fob and the vehicle mechanical key.

Important: All previously programmed key fobs will be erased upon completion of the 30-minute programming procedure. The order in which the key fobs are programmed will determine its numbering position within the RCDLR memory. The first key fob programmed will be key fob #1, and the second key fob programmed will be key fob #2. The number stamped on the key fob case is for reference only: #2 can be programmed as #1.
Do not place any known good key fobs in the vicinity of the vehicle when programming with Method 3. If the RCDLR recognizes a known good key fob during Method 3 programming, the programming mode will resort to Method 1.


The vehicle must be OFF.
Place the replacement key fob in the console pocket with the buttons facing forward.
Insert the vehicle key in the driver door lock cylinder located in the driver door handle and cycle the key 5 times within 5 seconds.
The DIC will display a message: OFF/ACC TO LEARN.
Press the OFF/ACC portion of the ignition button.
The DIC will display a message: WAIT 10 MINUTES, then it will count down from 10 to 0, one minute at a time.
When the counter reaches 0, DIC will display OFF/ACC TO LEARN.
Repeat steps 5-7 two more times, for a total of 30 minutes.
The DIC will display a message: OFF/ACC TO LEARN.
Press the OFF/ACC portion of the ignition button.
A beep will occur and the DIC will display: READY FOR FOB 1. At this time all previously known key fobs have been erased. When fob 1 is programmed a beep will be heard and the DIC will display a message: READY FOR FOB 2.
Additional key fobs can be programmed by taking fob 1 out of the pocket and inserting fob 2. If desired, up to 4 fobs can be programmed. Once 4 fobs have been learned, the DIC will display a message: MAX FOBS LEARNED, and automatically exit the program mode.
If learning less than 4 key fobs, press the OFF/ACC portion of the ignition button to exit the program mode.
Operate the active portion of each key fob in order to finalize the programming sequence and verify correct system operation.

Good luck!

Feb 25, 2015 | 2003 Cadillac CTS

1 Answer

What does RF2 Battery low mean on the odometer display


The battery on your auto start key fob needs changing.

Jan 10, 2015 | Cars & Trucks

1 Answer

Key not found on display


sounds like you have an issue with your key. possible key fob battery is dead, and or you are having a security issue with a control module talking to the key fob.

Apr 08, 2014 | 2004 Bentley Continental

1 Answer

I replaced the batteries in both fobs for my 2008 STS. I can unlock the car but when I get in to start it, it says no fobs detected. If I sit in the car pressing the lock button over and over eventually I...


NO FOBS DETECTED
Keyless Entry System Description and Operation

Key Fob Not Detected
When a transmitter authentication is requested, the console passive antenna broadcasts a challenge within the passenger compartment to the transmitter. If the response from the transmitter via radio frequency (RF) is a valid response, the RCDLR determines there is a transmitter within the vehicle. If no response is received, the RCDLR determines that no transmitter is in the vehicle, and NO FOB DETECTED will be displayed on the DIC.
Transmitter authentication occurs during any of the following situation:
• When the vehicle is off and the start button is pressed.
• When the vehicle is off and the brake pedal is pressed (vehicle must be awake)
• When the vehicle is running and any door is opened and then closed.

The first thing to do would be to check for DTC'S - diagnostic trouble code's
DTC B3119, B3120, B3121, B3122, or B3123 is not set.

Important: This condition may be caused by low vehicle battery voltage. If the battery is not sufficiently charged (above 10 volts), the system will have difficulties detecting the fob and the NO FOB DETECTED message will be displayed. Correct the low battery voltage condition to eliminate this condition.
Verify DTC B3119, B3120, B3121, B3122, or B3123 is not set.
? If any of the DTCs are set, refer to Diagnostic Trouble Code (DTC) List - Vehicle.
With the vehicle locked, attempt to passively unlock and enter the vehicle by approaching the vehicle with a valid transmitter and pulling the exterior door handle. The door should unlock and open.
? If unable to enter the vehicle passively, refer to Keyless Entry System Inoperative.
Place the transmitter in the console active antenna pocket and attempt to start the vehicle. The vehicle should start.
? If the vehicle does not start, perform the Transmitter Programming procedure.
While placing the keyless entry transmitter in various locations within the vehicle interior, attempt to start the vehicle. The NO FOB DETECTED message should not be displayed on the DIC.
? If the message is displayed, inspect for any sources of RF interference such as cell phone chargers, power supplies, etc. that would interrupt transmitter and antenna communication. If inspection does not reveal any items causing RF interference, contact the customer and question the customer about the conditions or location where the NO FOB DETECTED condition occurs. Discuss any devices that are normally kept in the vehicle, such as a laptop or cell phone charger, which may have been removed when the vehicle was brought in for service. It may be necessary to explain to the customer how RF interference degrades the performance of the system.
Inspect the external RF antenna connection at the RCDLR. First, gently pull on the coax connector at the module. If the coax comes out, then it wasn't seated properly. Remove and carefully inspect the coax connection for bent blades or a bent center pin. Fix coax connection if necessary and re-seat connector until a "click" is heard. Gently pull on the coax connection to make sure it is seated properly.

Your best bet , dealer !

Jan 30, 2018 | Cars & Trucks

1 Answer

Replaced chip on key on 91 DTS and car lost all power while driving. It shut down and nothing works.


There are 4 methods for programming key fobs. Up to 4 key fobs may be programmed to the remote control door lock receiver (RCDLR). Each programmed key fob is given a position of #1-#4 in the RCDLR memory.
Method 1 - Key Fob Quick Learn This procedure will add key fobs. Fobs will be numbered in sequence based on when they are programmed; if 2 fobs are currently programmed to the RCDLR, a fob programmed using this method will be numbered as Fob 3. This procedure requires that you have a known good key fob, a replacement key fob, and the vehicles mechanical key.

Important: This procedure is not available when the maximum number of fobs (4) have been programmed. If 4 key fobs are programmed to this RCDLR and this method is attempted, the driver information center (DIC) will display MAX FOBS LEARNED and the programming procedure will exit. Method 4 must be used in this instance.


The vehicle must be OFF.
Place a known key fob within the interior of the vehicle.
Insert the vehicle key in the driver door lock cylinder located in the driver door handle and cycle the key 5 times within 5 seconds.
The DIC will display a message: READY FOR FOB X (X = fob 2, 3, or 4).
Place the replacement key fob in the console fob pocket with the buttons facing forward.
A beep will occur and the DIC will display: READY FOR FOB X (X = fob 3 or 4) or MAX FOBS LEARNED.
If programming additional key fobs, repeat steps 5 and 6, or press the OFF/ACC portion of the ignition switch to exit programming mode.
Operate the active portion of each key fob in order to finalize the programming sequence and verify correct system operation.


Method 2 - Key Fob Slot Programming

This procedure will add or replace a key fob. Method 2 allows you to choose which location (slot) the unprogrammed fob will be learned to. If you are replacing a key fob, this method will erase the previously known key fob programmed to that particular slot. This procedure requires that you have a known good key fob, a replacement key fob, the vehicle mechanical key, and a scan tool.

Important: This procedure is not available when the maximum number of fobs (4) have been programmed. If 4 key fobs are programmed to this RCDLR and this method is attempted, the DIC will display MAX FOBS LEARNED and the programming procedure will exit. Method 4 must be used in this instance.


The vehicle must be OFF.
Place a known key fob within the interior of the vehicle.
Install a scan tool.
Use the scan tool, to access the following:
• Vehicle Control Systems

• Computer/Integrating Systems

• Module Replacement/Setup

• RCDLR

• Program Key Fobs

Insert the vehicle key in the driver door lock cylinder located in the driver door handle and cycle the key 5 times within 5 seconds.
Select Fob X (X = 1, 2, 3, or 4) on the scan tool. This will be the slot you wish to program to.
Place the replacement key fob in the console pocket with the buttons facing forward. A beep will occur indicating programming completion. The previously known fob is now erased.
If programming additional key fobs, repeat steps 4-8, or press the OFF/ACC portion of the ignition switch to exit programming.
Remove the scan tool.
Operate the active portion of each key fob in order to finalize the programming sequence and verify correct system operation.


Method 3 - Key Fob Auto Learn

This procedure will first erase all known key fobs. The procedure will then program a single or multiple key fobs. Method 3 is a series of three 10-minute key cycles, for a total of 30 minutes. This procedure requires that you have a replacement key fob and the vehicle mechanical key.

Important: All previously programmed key fobs will be erased upon completion of the 30-minute programming procedure. The order in which the key fobs are programmed will determine its numbering position within the RCDLR memory. The first key fob programmed will be key fob #1, and the second key fob programmed will be key fob #2. The number stamped on the key fob case is for reference only: #2 can be programmed as #1.
Do not place any known good key fobs in the vicinity of the vehicle when programming with Method 3. If the RCDLR recognizes a known good key fob during Method 3 programming, the programming mode will resort to Method 1.


The vehicle must be OFF.
Place the replacement key fob in the console pocket with the buttons facing forward.
Insert the vehicle key in the driver door lock cylinder located in the driver door handle and cycle the key 5 times within 5 seconds.
The DIC will display a message: OFF/ACC TO LEARN.
Press the OFF/ACC portion of the ignition button.
The DIC will display a message: WAIT 10 MINUTES, then it will count down from 10 to 0, one minute at a time.
When the counter reaches 0, DIC will display OFF/ACC TO LEARN.
Repeat steps 5-7 two more times, for a total of 30 minutes.
The DIC will display a message: OFF/ACC TO LEARN.
Press the OFF/ACC portion of the ignition button.
A beep will occur and the DIC will display: READY FOR FOB 1. At this time all previously known key fobs have been erased. When fob 1 is programmed a beep will be heard and the DIC will display a message: READY FOR FOB 2.
Additional key fobs can be programmed by taking fob 1 out of the pocket and inserting fob 2. If desired, up to 4 fobs can be programmed. Once 4 fobs have been learned, the DIC will display a message: MAX FOBS LEARNED, and automatically exit the program mode.
If learning less than 4 key fobs, press the OFF/ACC portion of the ignition button to exit the program mode.
Operate the active portion of each key fob in order to finalize the programming sequence and verify correct system operation.


Method 4 - Service Programming System Fob Programming

This procedure is a 10-minute relearn procedure using the Techline Terminal with SPS software. Once the 10-minute timer has expired, the fobs can be programmed similar to Method 2 using slot programming. A scan tool, Techline Terminal, and a replacement key fob are required to perform this procedure.

Place the vehicle in the Vehicle On, Engine Off mode.
Connect a scan tool to the vehicle.
Insure that all power consuming devices are turned OFF on the vehicle.
With a scan tool, select Request Info under Service Programming System and follow the scan tool on-screen instructions.
Disconnect the scan tool from the vehicle and connect the scan tool to a Techline Terminal with the current Service Programming System (SPS) software.
Turn the vehicle OFF.
On the Techline Terminal, select Service Programming System and follow the Techline Terminal on-screen instructions. Ensure the correct programming procedure is selected based on component being replaced or programmed. See Important above.
Disconnect the scan tool from the Techline Terminal and re-connect the scan tool to the vehicle.
With a scan tool, select Program ECU under Service Programming System.
At this point the scan tool must remain connected for the duration of the 10 minute relearn procedure.
When the 10 minute relearn procedure has completed, use the scan tool to access the following:
• Vehicle Control Systems

• Computer/Integrating Systems

• Module Replacement/Setup

• RCDLR

• Program Key Fobs

Select Fob X (X = 1, 2, 3, or 4) on the scan tool. This will be the slot you wish to program to.
Place the replacement key fob in the console pocket with the buttons facing forward. A beep will occur indicating programming completion. The previously known fob is now erased.
If programming additional key fobs, repeat steps 12-13, or press the OFF/ACC portion of the ignition switch to exit programming.
Remove the scan tool.
Operate the active portion of each key fob in order to finalize the programming sequence and verify correct system operation.

Oct 26, 2011 | 2006 Cadillac DTS

1 Answer

Keyless entry remote programming


Hello here is the instructions for programming the key fobs

This procedure will add, replace, or invalidate all key fobs. This procedure requires that you have a known good key fob available, a new/replacement key fob, the vehicles mechanical key, and a scan tool.
Method 1 is also used for the initial programming of fobs to a new replacement RCDLR. In this instance, the new RCDLR comes ready to learn the first key fobs introduced. Perform the learn procedure as outlined, with the exception that the new RCDLR does not require a known good key fob be placed within the interior of the vehicle.
Note: This procedure is not available when the maximum number of fobs (4) have been programmed. If 4 key fobs are programmed to this RCDLR and this method is attempted, the driver information center (DIC) will display MAX FOBS LEARNED and the programming procedure will exit. Methods 2 or 3 must be used in this instance.
  1. The vehicle must be OFF.
  2. Place a known key fob and any new/replacement key fob(s) to be programmed in the cupholder inside the vehicle. DO NOT place any fobs in the console fob pocket at this time.
  3. Insert the vehicle key in the driver door lock cylinder located in the driver door handle and cycle the key 5 times within 5 seconds.
  4. The DIC will display a message: READY FOR FOB X (X = fob 2, 3, or 4). → If the DIC displays: OFF/ACC TO LEARN, the known fob has not been recognized. At this time, programming will revert to Method 2.
  5. If the DIC is displaying the correct fob number that needs to be programmed, skip ahead to step 9.
  6. If the DIC is not displaying the correct fob number that needs to be changed (i.e., the DIC is displaying: READY FOR FOB 3, and you wish to program FOB 1), use the scan tool to access the following: • Vehicle Control Systems • Computer/Integrating Systems • Module Setup • Remote Control Door Lock Receiver • Program Key Fobs
  7. Select the fob position you wish to program: Note: Selecting Invalidate All Fobs will erase any known fobs and will cause the DIC to prompt READY FOR FOB 1, requiring all fobs to be relearned to the vehicle.
    • Invalidate All Fobs • Program Fob 1 • Program Fob 2 • Program Fob 3 • Program Fob 4
  8. With the fob position selected, press the PROGRAM soft key on the scan tool. The DIC should display: READY FOR FOB X (X = fob 1, 2, 3 or 4, depending on the selected position)
  9. With the DIC displaying the correct fob position that is to be programmed, place the new/replacement key fob in the console fob pocket with the buttons facing forward.
  10. A beep will occur once the fob has been learned.
  11. If programming additional key fobs and there is no DIC prompt that indicates READY FOR FOB X, repeat steps 7 and 8.
  12. Exit programming mode by pushing the OFF/ACC portion of the ignition switch. Note: Failure to exit programming mode (press OFF/ACC) prior to pressing the UNLOCK button of each key fob programmed will result in that fob being inoperative. Pressing the UNLOCK button completes the programming sequence and is require to ensure transmitter operation.
  13. Press the UNLOCK button on each key fob that was programmed to finalize the programming and confirm system operation.

Nov 03, 2010 | 2006 Cadillac STS

1 Answer

The display on my 2007 pontiac g5 says key fob battery low? what is this? will it make my car stall because it died?


The fob is the device for unlocking your doors Keyless entry. It will not affect the starting and driving of the car , you just will not be able to unlock it with the button "only the Key"

Jul 01, 2010 | Cars & Trucks

1 Answer

Programming a keyless entry remote


Key Fob Auto Learn
This procedure will first erase all known key fobs. The procedure will then program a single or multiple key fobs. Method 3 is a series of three 10-minute key cycles, for a total of 30 minutes. This procedure requires that you have a replacement key fob and the vehicle mechanical key.

Important: All previously programmed key fobs will be erased upon completion of the 30-minute programming procedure. The order in which the key fobs are programmed will determine its numbering position within the RCDLR memory. The first key fob programmed will be key fob #1, and the second key fob programmed will be key fob #2. The number stamped on the key fob case is for reference only: #2 can be programmed as #1.
Do not place any known good key fobs in the vicinity of the vehicle when programming. 

The vehicle must be OFF. 
Place the replacement key fob in the console pocket with the buttons facing forward. 
Insert the vehicle key in the driver door lock cylinder located in the driver door handle and cycle the key 5 times within 5 seconds. 

The DIC will display a message: OFF/ACC TO LEARN. 
Press the OFF/ACC portion of the ignition button. 
The DIC will display a message: WAIT 10 MINUTES, then it will count down from 10 to 0, one minute at a time. 
When the counter reaches 0, DIC will display OFF/ACC TO LEARN. 
Repeat steps 5-7 two more times, for a total of 30 minutes. 
The DIC will display a message: OFF/ACC TO LEARN. 
Press the OFF/ACC portion of the ignition button. 
A beep will occur and the DIC will display: READY FOR FOB 1. At this time all previously known key fobs have been erased. When fob 1 is programmed a beep will be heard and the DIC will display a message: READY FOR FOB 2. 
Additional key fobs can be programmed by taking fob 1 out of the pocket and inserting fob 2. If desired, up to 4 fobs can be programmed. Once 4 fobs have been learned, the DIC will display a message: MAX FOBS LEARNED, and automatically exit the program mode. 
If learning less than 4 key fobs, press the OFF/ACC portion of the ignition button to exit the program mode. 
Operate the active portion of each key fob in order to finalize the programming sequence and verify correct system operation. 

Good luck and hope this help's keep me posted, there are 3 other methods and the 5th method is a tech 2 scan tool that the dealer uses but this should work on your year of cadillac. 

Jul 01, 2009 | 2003 Cadillac Deville

2 Answers

Hi I have a 2006 chevy monte carlo ss. I left the key in the ignitin overnite. Today I went to start it and it wont turn over and the brake, shifter and all power is out on it. Can anyone help?


well i would deffinatly have the battery checked out because more than likly if you left the key in the on position the battery is dead let me know if this helps

Dec 29, 2008 | Chevrolet Monte Carlo Cars & Trucks

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