Buick LaCrosse: Turn Signals when Towing a 
Trailer - Driving Characteristics and Towing Tips - Towing - Driving and Operating - Buick LaCrosse Owners ManualBuick LaCrosse: Turn Signals when Towing a Trailer

The turn signal indicators on the instrument panel flash whenever signaling a turn or lane change.

Properly hooked up, the trailer lamps also flash, telling other drivers the vehicle is turning, changing lanes, or stopping.

When towing a trailer, the arrows on the instrument panel flash for turns even if the bulbs on the trailer are burned out. Check occasionally to be sure the trailer bulbs are still working.

    Making Turns
    Notice: Making very sharp turns while trailering could cause the trailer to come in contact with the vehicle. The vehicle could be damaged. Avoid making very sharp turns while trailering. ...

    Driving on Grades
    Reduce speed and shift to a lower gear before starting down a long or steep downgrade. If the transmission is not shifted down, the brakes might have to be used so much that they would get h ...

    See also:

    Loose Fuel Cap warning
    The LOOSE FUEL CAP warning appears in the vehicle information display when the fuel-filler cap is not tightened correctly after the vehicle has been refueled. It may take a few driving trips for ...

    Shuffle (Radio with CD/DVD/MEM)
    Turn the Menu knob and set Shuffle Songs to On or Off. Shuffle On: Plays current tracks in random order. Shuffle Off: Plays current tracks in sequential order. ...

    Opening/closing the glass sunroof
    When the sliding visor is open, proceed as described under Sliding visor. ...