Question about 2007 Buick LaCrosse CX

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Why do my parking lights stay on when I lock the car with the key fob?

I have a 2007 Buick LaCrosse CX. When I use the key fob to lock the doors, the parking lights often stay on. I've kinda figured out a pattern of lock-unlock-lock that will work but, occasionally, the parking lighs ramain on and I don't discover that until the next morning when the battery is dead, dead, dead. Any suggestions?

Posted by Anonymous on

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 99 Answers

SOURCE: 2005 buick lacrosse

lock rod has probably come off from door lock, try to get inside panel off or have someone with slim jim try and reach the rod to unlock the door

Posted on Nov 30, 2008

  • 3 Answers

SOURCE: keys locked in car

use a wedge to wedge the door open a lital bit on top and use a strait peice of metal that can bend fairly easy to go down inside of the car and hit the unlock button. or call a tow truck company and they will come out to help for $40 or $50

Posted on Nov 30, 2008

  • 840 Answers

SOURCE: Interior lights won't turn off 1999 BuicK LeSabre.

yes there is a relay switch in engine compartment or under dash

Posted on Jan 25, 2009

cadman000
  • 607 Answers

SOURCE: rear door lock will not lock or unlock

sounds like that rear door lock will also not unlock with the switch either, correct ? It might lock , but not unlock. Door lock actuator needs to be replaced.

Posted on Apr 01, 2009

  • 14036 Answers

SOURCE: we have 2 remote key

TO SYNCHRONIZATION REMOTES WHEN REPLACING BATTERIES,STAND 5 FEET OF THE VECHICLE.PRESS REMOTE TRANSMITTER LOCK AND UNLOCK BUTTONS SIMULTANEOUSLY FOR 7 SECONDS.HORN SHOULD CHIRP TO CONFIRM SYNCHRONIZATION.

Posted on May 18, 2011

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1 Answer

I replaced my battery this afternoon -30. It turned over and idles fine but now my key won't come out of the ignition, the car won't go out of park, no powered anything works. Help?


On newer vehicle's if you don't use another power supply when changing a battery modules can go night - night an not wake up ! Battery Disconnect or Replacement Problems Then your stuck having your vehicle towed to the dealer !

Dec 06, 2016 | 2011 Buick LaCrosse

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I have a 2005 Buick n my key will no longer unlock my door


Door Lock Mechanism Sticks : Buick LaCrosse Common ...

repairpal.com > Problems > Buick > LaCrosse
Door lock mechanism not operating properly on Buick LaCrosse. Door lockmechanisms ... problem details. 2005 Buick LaCrosse126,000Visitor .... door panel to repair? Lock will neither lock or unlock using key fob but does work manually.

Sep 27, 2015 | Buick Cars & Trucks

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Program key fob


probably-- to program a fob key correctly you should have the car and the key hooked up to a computer so that the immobiliser can be programmed to the key
best done at a service dealer or qualified locksmith

Jul 13, 2015 | 2008 Buick Lacrosse

1 Answer

Would like to program fob on my 2007 buick lacrosse


I believe your buick has setting in the menu scroll to where it says key fob, if they took it out of your year then the dealer has to

Mar 07, 2015 | 2007 Buick LaCrosse CXL Sedan

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When I use my I 4 phone using Pandora music and I am using your model FMTD3 It works well in my 2000 chevy pickup and my 1998 buick park avenue. I can not get it to work in my 2007 buick lacrosse WHY?


first off you can not be using our FMTD3 as we have never nor will we ever have them here . this site is FIXYA not sell ya , fool ya call the place that sold you the thing and complain to them

Feb 24, 2015 | 2007 Buick LaCrosse CX

1 Answer

My 2006 Buick Lacrosse warning light started dinging while I was driving and the seat belt light for passenger seat started flashing even though there was no one in the seat. After stopping the car I...


It sound like two or three separate problems, but it's hard to tell. The seat belt warning could be a faulty switch which senses a passenger in the seat, while the trunk lid opening could be a battery problem in the key fob. However, if the door locks still work with the same key fob, the problem is more likely with the lock on the trunk. Not starting after stopping could be a battery problem.

Sep 13, 2017 | 2006 Buick LaCrosse

1 Answer

Remote often fails to unlock the doors on my 2006 Buick Lacrosse. Seems to work better from farther away.


  • I HAVE HAD SIMILAR ISSUES WITH THE KEY FOB, OR "REMOTE" . UPON FURTHER INVESTIGATION, I OPENED UP THE REMOTE AND FOUND THAT THE THIN, SHINY METAL FRAME ENCLOSING AND CRADLING THE COIN-LIKE BATTERY (CR2025) HAD BEEN SEPARATED FROM THE SOLDER POINTS ON THE SILICON CHIP.

  • I ALSO DISCOVERED THAT ON THE REVERSE SIDE OF THE CHIP (BUTTONS AND RUBBER COVERING SIDE) THAT THERE WAS DIRT, DEBRIS, AND OTHER GUNK WHICH WILL DEFINITELY SHORT CIRCUIT, CAUSING YOUR REMOTE'S BATTERY TO BE DISCHARGED OR MISFIRE. THIS IS BEST OBSERVED WHEN YOU EXPERIENCE A "STICKY" BUTTON EFFECT ONCE THE "LOCK" BUTTON IS DEPRESSED ONCE, BUT THE CAR FEED BACK SUGGESTS 2 PUSHES OF THE REMOTE WERE DETECTED. ANOTHER EXAMPLE: I COULD HAVE SWORN I PUSHED "UNLOCK" TWICE (UNLOCKING REAR DOORS )ON THE FOB/REMOTE BUT ONCE I GET TO THE CAR, DOOR IS STILL LOCKED! WTF.

SOLUTION:

KEEP KEY FOB / REMOTE CLEAN, REPAIR/REPLACE BROKEN BATTERY +/- CONNECTIONS IN THE REMOTE, REPLACE LITHIUM BATTERY

Mar 15, 2011 | 2006 Buick LaCrosse

1 Answer

1996 buick park avenue's security light comes on and then will not start. after about 5 min it will start. what the heck!


change the battery in the key fob for locking and unlocking doors. once the battery is new lock and unlock the doors 2 times it should sinc the system again

Sep 30, 2010 | 1993 Buick Park Avenue

1 Answer

Programing instructions for buick 2006 lacrossekeyless remote fob


Transmitter ProgrammingImportant: All transmitters which are to be recognized by the remote control door lock receiver (RCDLR) must be programmed in a single programming sequence. If the system is placed in program mode it will erase all previously programmed transmitters upon the receipt of the programming signal from the first transmitter. Up to 4 transmitters can be programmed. Do not operate or program the transmitters in the vicinity of other vehicles that are in the keyless entry program mode. This prevents the programming of the transmitters to the incorrect vehicle.
  1. Install a scan tool.
  2. Use the scan tool in order to access programming: Vehicle Control System/Computer Integrating System/Module Setup/BCM/Program Key Fobs.
  3. Press the START soft key on the scan tool. Important: The scan tool must stay connected until all of the transmitters are programmed.
  4. Press and hold the LOCK button and the UNLOCK button simultaneously on one transmitter. After a delay of 5-10 seconds, the scan tool will indicate that the transmitter is programmed.
  5. Repeat the previous step in order to program up to 4 transmitters.
  6. Remove the scan tool.
  7. Operate the transmitter functions in order to verify correct system operation.
Good luck

Dec 13, 2009 | 2006 Buick LaCrosse

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