Question about 2005 Buick LaCrosse

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Remote for buick Lacross doesn't work, battery new. Can't figure how to reset it.

The remote for my 2005 Buick Lacross will not work, I have replaced the battery and it still won't work, I am trying to figure out how to reset it.

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  • honeymokey
    honeymokey May 11, 2010

    Be sure the the battery prongs on the transmitter are making contact and are not damaged. You will need to get it checked and reprogrammed at a dealer.

  • Anonymous Mar 14, 2014

    remote start will not start the car,remote battery operates everything but not the remote start?

  • Anonymous Mar 16, 2014

    I've reset the time consistently for two weeks and the time does not remain set correctly.

  • Anonymous Mar 27, 2014

    Google maps audio is not working when I am driving my 2013 Buick Lacross

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  • 74 Answers

Have to be reset by dealer usually 20 to 35 dollars to do so

Posted on May 16, 2009

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If its your locks that dont work im not sure if this will help but it will help with your remote starter. in the middle of your dash while in park and engine on there are several buttons. odometer, gas mileage, oil, etc. the last one you can hit is your personal options, scroll through all of those and turn on your remote starter. thats what i had to do. reference your manual

Posted on Jun 06, 2009

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Plastic cover on low beam has become very dull. Want to replace. Buick Lacross 2005


go to junk yard. find part for cheap. replace.

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go to dealer. bend over and grab your wallet.pay dearly. wait two weeks. replace.

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Where to get instructions for replacing windshield washer pump in 2005 buick lacross


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My remote won't start my 2005 Buick LaCross. I


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Oct 14, 2009 | 2005 Buick LaCrosse

2 Answers

Keys won,t lock or unlock doors


Use this Procedure for Buick Vehicles "With" Driver Information Center Buttons.

This information is in your "Owners Manual" in the "Drivers Information Center Section."

1. Insert Key and turn to ON position so you can access Driver Information Center.

2. Press the vehicle information button until PRESS TO RELEARN REMOTE KEY displays.

3. Press the set/reset button until REMOTE KEY LEARNING ACTIVE displays.

4. Press and hold the lock and unlock buttons on the key-less remote at the same
time for approximately 15 seconds. A chime will sound indicating that the remote is
programmed.

5. To program additional remotes at this time repeat step 4. This vehicle can have a maximum of eight remotes programmed.

6. To exit programming mode turn key off and remove key. Test remote(s).


Use this Procedure for Buick Vehicles "Without" Drivers Information Center Buttons.

To access this display, the vehicle must be in Park (P) with key in the on position (as far as you can go without cranking engine).

1. Press the trip odometer reset stem until RELEARN REMOTE KEY displays.

2. Press and hold the trip odometer reset stem for three seconds. The message REMOTE KEY LEARNING ACTIVE will display

3. Press and hold the lock and unlock buttons on the first key-less remote at the same
time for approximately 15 seconds. A chime will sound indicating that the remote is
programmed.

4. To program additional remotes at this time repeat step 3. This vehicle can have a maximum of eight remotes programmed.

5. To exit programming mode turn key off and remove key. Test remote(s).

Good Luck !

Mar 25, 2009 | 2005 Buick LaCrosse

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