Service Bulletins
Service Bulletins give additional technical service information needed to knowledgeably service General Motors cars and trucks.
Each bulletin contains instructions to assist in the diagnosis and service of the vehicle.
See also:
Tire Messages
TIRE PRESSURE LOW ADD AIR TO TIRE
On vehicles with the Tire Pressure Monitor System (TPMS), this message displays when the pressure in one or more of the vehicle's tires is low.
The low tire pressur ...
Voice Recognition
The voice recognition system uses
commands to control the system
and dial phone numbers.
Noise: The system may not
recognize voice commands if there
is too much background noise.
When to Spe ...
Audio Settings
The audio settings can be set for
each radio band and each audio
player source.
To quickly reset an audio setting
value to 0:
1. Press the TONE button.
2. Select the audio setting.
3. Press ...
