Adjusting the Volume
Buick LaCrosse / Buick LaCrosse Owners Manual / Infotainment System / Audio Players / Auxiliary Devices (Radio with CD and Touchscreen) / Adjusting the Volume
Turn the VOL/ 
knob to adjust the
volume of the infotainment system
after the volume level has been set
on the portable audio device.
See also:
Ignition Transmission Lock Check
While parked, and with the parking brake set, try to turn
the ignition to LOCK/OFF in each shift lever position.
• The ignition should turn to LOCK/OFF only
when the shift lever is in P (Park). ...
Horn
Press near or on the horn symbols on the steering
wheel pad to sound the horn. ...
Parking on Hills
WARNING
Parking the vehicle on a hill with the trailer attached can be
dangerous. If something goes wrong, the rig could start to move. People can be injured,
and both the vehicle and the trailer ...