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 notice pulsation in the brake pedal. This is normal under these conditions. Take the vehicle to your dealer for service.
See also:
Using the Delete All Name Tags Command
The delete all name tags command deletes all stored
phone book name tags and route name tags for OnStar
(if present).
To use the delete all name tags command:
1. Press and hold for two seconds. ...
Radio Reception
Frequency interference and static can occur during
normal radio reception if items such as cell phone
chargers, vehicle convenience accessories, and external
electronic devices are plugged into ...
Shifting out of Park
Automatic Transmission
Shift Lock
The vehicle has an automatic
transmission shift lock control
system. The shift lock control
system is designed to:
• Prevent ignition key removal
unless ...
