Exterior Lighting Battery Saver
If the exterior lamp button has been left on, the exterior lamps will turn off about 10 minutes after the ignition is turned to LOCK/OFF and a door has been opened. This protects against draining the battery if the headlamps or parking lamps are accidentally left on. If you need to leave the lamps on for more than 10 minutes, use the exterior lamp control to turn the lamps back on after the ignition is turned to LOCK/OFF and any door is opened.
See also:
Flash-to-Pass
To flash the high beams, pull the
turn signal/lane change lever toward
you, and release. ...
2011 Buick LaCrosse Review
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Instrument Panel Illumination Control
The brightness of the instrument panel lighting and steering wheel controls can be adjusted.
:
Move and hold the thumbwheel up or down to brighten or dim the lights. ...