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:
Climate Controls
The heating, cooling, and ventilation in the vehicle can be controlled with this
system.
Climate Control with Cooled and Heated Seats shown
A. Driver and Passenger Temperature Controls
B. AUTO ...
Brake System Messages
SERVICE BRAKE SYSTEM
This message displays along with the brake system warning light if there is a
problem with the brake system. See Brake System Warning Light . If this
message appears, s ...
How the System Works
When the vehicle is shifted into R (Reverse) the front and rear sensors are
automatically turned on.
After the vehicle is shifted out of R (Reverse), the rear sensors are turned
off and the front ...