Buick LaCrosse: Using the Universal Remote 
System - Universal Remote System Operation - Universal Remote System - Instruments and Controls - Buick LaCrosse Owners ManualBuick LaCrosse: Using the Universal Remote System

Press and hold the appropriate Universal Remote system button for at least half of a second. The indicator light will come on while the signal is being transmitted.

    Erasing Universal Remote System Buttons
    All programmed buttons should be erased when the vehicle is sold or the lease ends. To erase all programmed buttons on the Universal Remote system device: 1. Press and hold down the two ou ...

    See also:

    Trunk Release
    To open the trunk, press on the Remote Keyless Entry (RKE) transmitter or press the touchpad under the vehicle emblem. See Trunk  for additional information. ...

    Rear License Plate Light Bulbs
    The license plate has two lights above it. The bulbs should be replaced by your dealer. ...

    Auto-dimming mirror with compass (if equipped)
    1) LED 2) Switch 3) Sensor 4) Compass display The auto-dimming mirror has an anti-glare feature which automatically reduces glare coming from headlights of vehicles behind you. It also contain ...