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:

    Brake hoses and lines
    Visually check for proper installation, chafing, cracks, deterioration and any leakage. Replace any deteriorated or damaged parts immediately. ...

    Status field
    The following information is displayed in the status field at the top right: ▷ Time. ▷ Current entertainment source. ▷ Sound output, on/off. ▷ Wireless network reception ...

    Manual interior lighting control
    •► To switch the front interior lighting on/ off: press the button. •► To switch the rear interior lighting on/ off: press the button. •► To switch the reading lamps on ...