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:
Dual Tone Multi-Frequency
(DTMF) Tones
The in-vehicle Bluetooth system can
send numbers during a call. This is
used when calling a menu-driven
phone system.
1. Turn the Menu knob to select
Enter Number, then press
SELECT.
2. En ...
Total Weight on Your Vehicle's Tires
Be sure the vehicle's tires are inflated to the upper limit for cold tires. These
numbers can be found on the Tire and Loading Information label. See Vehicle Load
Limits . Make sure not to go ...
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. ...