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:

    Opening windows (if so equipped)
    The Intelligent Key allows you to open windows equipped with automatic operation simultaneously. ● To open the windows, press the button on the Intelligent Key longer than 3 seconds after ...

    Tire Pressure Monitoring System (TPMS)
    This vehicle is equipped with the Tire Pressure Monitoring System (TPMS). It monitors tire pressure of all tires except the spare. When the low tire pressure warning light is lit, one or more of y ...

    Interior lights
    Vehicles without moon roof Turns the lights on Turns the door position on Turns the lights off Vehicles with moon roof Turns the lights on/off linked to door positions. Turns t ...