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:

    Safety Belt Reminders
    Driver Safety Belt Reminder Light There is a driver safety belt reminder light on the instrument panel cluster. When the engine is started this light begins to flash and a chime comes on for sever ...

    Parking brake warning
    The light illuminates with the parking brake applied while the ignition switch is in the “ON” position. It turns off when the parking brake is released. ...

    Audio system
    Antenna Glass antenna (if equipped) When the radio power switch is turned on while the ignition key is in either the “ON” or “ACC” position, your car will receive both AM and FM broadcas ...