Question about 1999 Buick Century

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Lots of noise as car is running

The security light came on and stayed on during travel time about 20 minutes.

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The security light came on and stayed on during travel time about 20 minutes.

I have had the same problem for years since I bought he car used. When I use the extra set of keys, it does not seem to like them. No problem with regular keys though. Go figure.

Posted on Nov 19, 2008

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Reset security code 2003 Chevy impaula


Instructions
    • 1 Attempt to start the car. If it does not start, or dies very quickly after it started, then leave the key in the ignition in the "ON" position and wait 10 minutes. Make sure the security light is flashing. After 10 minutes the security light will stop flashing and either turn off or stay on steadily. When it does, then turn the ignition off, wait 20 seconds and attempt to restart the car.
    • 2 Repeat this procedure three times in quick succession without removing the key from the ignition.
    • 3 Start the car following the third 10-minute waiting period. The car should start and stay on. If it stays running, then the codes have been relearned and the problem is solved. If the car still does not start then you may need to have all or part of the passlock system replaced

Jan 15, 2015 | 2003 Chevrolet Impala

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How to reset security ignition on a 1999 chevy silverado?


There is a lot of info on this site that you can read up on. http://vatspasslockpasskeysecurityhelp.yolasite.com/

Sep 07, 2014 | 1999 Chevrolet Silverado 1500

1 Answer

Warning light check engine light turns on, sometimes after 10-20 minutes drive. The engine is perfectly OK. Indicator light is off after the car has "rested" during the night.


You may have a sensor malfunction. Have a mechanic run the codes and see if there are any stored in the computer. Just because the engine runs OK now does not mean it will continue to do so. The reason the light goes off after the vehicle has set over night may be due to the vehicle not sensing the issue after the long passage of time, until you begin driving again.

Nov 28, 2011 | Cars & Trucks

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My 2001 oldsmobile alero will not start, I put gas and it would not crank over. Then the security light started flashing so I turned the key to the on poistion and was waiting 10 minutes and during that...


im just gonna take a stab in the dark here i understand that your security light is on try unlocking your door with your key sometimes you just need to reset the security. otherwise ive seen a security module go bad that may be preventing you from starting it.

Apr 24, 2010 | 2001 Oldsmobile Alero

2 Answers

1996 Oldsmobile Achieva: Security light flashes upon startup


Here is what you do, but only when the SECURITY light flashes - if it is always ON or OFF it's no use.
Turn the key in the ignition to ON.
Wait for exactly 10 minutes ( SECURITY light will flash for 10 minutes and then stay on SOLID)
Turn the key to OFF
Wait 5 seconds.
Turn the key in the ignition to ON.
Wait for exactly 10 minutes.
Turn the key to OFF
Wait 5 seconds.
Turn the key in the ignition to ON.
Wait for exactly 10 minutes.
Turn the ignition OFF.

Start the car normally.
It has relearnt the keycode and you're good to go.
NOTICE - it takes 30 minutes to relearn, that's THREE cycles of ON - 10 minutes - OFF.

Good luck.

Jul 11, 2009 | 1996 Oldsmobile Achieva

1 Answer

How do I program my key for my 2006 Chevy Impala?


Add Duplicate Key (PK3 or PK3+ key)
1. Insert an existing key into the ignition cylinder.
2. Turn the ignition cylinder to ON (RUN) and back to OFF.
3. Remove the existing key and, within fifteen seconds, insert the new key
and turn it to ON (RUN).
4. The security light will light up for two seconds to indicate success in programming
the key into the vehicle.
Originate New Master Key (PK3 or PK3+ key)

1. Insert new key into ignition cylinder and turn it to the ON (RUN) position.
The security light on the dash will illuminate and stay on for ten minutes.
2. When the security light goes out, you have one minute to start the next
step. Turn the ignition cylinder to OFF and then back to the ON (RUN)
position. The security light on the dash will illuminate and stay on for ten
more minutes.
3. When the security light goes out, you have one minute to start the next
step. Turn the ignition cylinder to OFF and then back on the ON (RUN)
position. The security light on the dash will illuminate and stay on for ten
more minutes.
4. After the security light has gone off the third time, the key has been programmed
into the vehicle’s computer and will operate the car. It has replaced ALL the
previous electronic key codes and is the ONLY key programmed into the
vehicle’s computer.

Add Duplicate Key (PK3 or PK3+ key)

1. Insert an existing key into the ignition cylinder.
2. Turn the ignition cylinder to ON (RUN) and back to OFF.
3. Remove the existing key and, within fifteen seconds, insert the new key
and turn it to ON (RUN).
4. The security light will light up for two seconds to indicate success in programming
the key into the vehicle.

May 20, 2009 | 2006 Chevrolet Impala

1 Answer

Batt went dead /recharged now security light stays on when ing is


You need to reprogram the security system. Hook up a battery charger. Turn the key on, the security light should flash. Leave the key on until the light stops flahing.(11 minutes) Turn the key off for 20 sec. Turn the key on, do the same thing a second time, turn the key off. Turn the key on. Do this a third time. After the third 11 minutes and the light is off, Start the truck.

Apr 08, 2009 | 1999 GMC Yukon

1 Answer

Starter will not engage anti theft light is on it is a 2005 cobalt


I found this on a website try this

1. Put the newly cut Master key into the keyway and turn it to the ON (RUN) position. A "security" indicator
light on the dashboard will stay on for 10 minutes.
2. Within 1 minute after the indicator light goes off, turn the ignition to "OFF", then return to the ON (RUN)
position. The indicator light again will stay on for 10 minutes (Do not remove the key.)
3. Again, within 1 minute after the indicator light goes off, turn the ignition to "OFF", then return to the ON
(RUN) position. The indicator light again will stay on for 10 minutes. (Do not remove the key.)
4. When the light goes off the third time, the new key is programmed into the computer and will start
the car. Remove the key and then re-insert it into the ignition lock and start the car.
All previously stored codes will be erased. To stop the process at any time, simply remove the key and use
an existing key to start the car.

Mar 25, 2009 | 2007 Chevrolet Cobalt Coupe

1 Answer

Key stuck in ignition


Be sure its all the way in park or try neutral.Its possible that security system does not recognize the key. Is security light flashing or on steady? Shut all doors and windows,trunk,hood, turn off all accessory's,roll down drivers window, turn key off and remove for at least 1 minute, insert key into ignition, try to start leaving key to run position for 20 minutes, turn key to off,wait 15 seconds, try to start again leaving key to run, wait 20 minutes, turn key off,wait 15 seconds, try to start, again leaving key to run, wait 20 minutes, turn key off, wait 15 seconds, try to start. This should relearn key code. It may relearn after 1 learn cycle and start if system is ok. Hope this helps and that the weather is dry and warm for this procedure! This is not always a fix, but works most of the time.

Jan 25, 2009 | 2006 Chevrolet Monte Carlo

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