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:
Towing
Consult your dealer or a professional towing
service if you need to have your disabled vehicle
towed.
If you want to tow your vehicle behind another
vehicle for recreational purposes (such as behi ...
Driver Efficiency Gauge
For eAssist vehicles, this gauge
assists in driving efficiently and will
vary based on driver input.
To maximize efficiency, keep the
gauge pointed in the solid green
zone in the center of ...
Three-Way Calling
Three-way calling must be supported on the Bluetooth phone and enabled by the wireless service carrier.
1. While on a call, press
.
The system responds with “Ready,” followed by a tone.
2. Say ...
