Compass Calibration
Press and hold the on/off button to activate the compass calibration mode. CAL will be displayed in the compass window on the mirror.
The compass can be calibrated by driving the vehicle in circles at 5 mph (8 km/h) or less until the display reads a direction.
See also:
Off-Road Recovery
You may find that your right wheels have dropped
off the edge of a road onto the shoulder while
you are driving.
If the level of the shoulder is only slightly below the
pavement, recovery should ...
XM™ Satellite Radio AntennaSystem
The XM™ Satellite Radio antenna is located on
the roof of your vehicle. Keep this antenna clear of
snow and ice build up for clear radio reception.
If your vehicle has a sunroof, the performanc ...
Reporting Safety Defects to General
Motors
In addition to notifying NHTSA (or Transport Canada) in
a situation like this, please notify General Motors.
Call 1-800-521-7300, or write:
Buick Customer Assistance Center
P.O. Box 33136
Detroi ...