Buick LaCrosse: SERVICE PARKING BRAKE
This message is displayed when there is a problem with the electric parking brake. See Parking Brake for more information.
Take the vehicle to your dealer.
SERVICE BRAKE ASSIST
This message may be displayed when there is a problem with the brake boost assist system. When this message is displayed, the brake boost assist motor might be heard operating and you might ...Compass Messages
CAL This message is displayed when the compass needs to be calibrated. See Compass. – – – Three dashes will be displayed if the compass needs service. See your dealer for service. ...See also:
Tire pressure monitoring system (TPMS) (if equipped)
The tire pressure monitoring system provides the driver with the warning message
indicated by sending a signal from a sensor that is installed in each wheel when
tire pressure is severely low.
...
Specifications. Wheels and tires
WHEELS AND TIRES ...
Lamps On Reminder
For vehicles with the lamps on reminder light, it comes on when the lights are in use. ...