SERVICE AC SYSTEM
This message displays if there is a problem with the air conditioning system. Take the vehicle to your dealer for service.
SERVICE POWER STEERING
This message displays if there is a problem with the power steering system. Take the vehicle to your dealer for service.
SERVICE STEERING COLUMN LOCK
This message displays if there is a problem with the steering column lock. Take the vehicle to your dealer for service.
SERVICE VEHICLE SOON
This message displays if there is a problem with the vehicle. Take the vehicle to your dealer for service.
Security Messages
Starting the Vehicle MessagesAll-Season Tires
This vehicle may come with all-season tires. These tires are designed to provide
good overall performance on most road surfaces and weather conditions. Original
equipment tires designed to GM's specific tire performance criteria have a TPC specification
code molded onto the sidewall. Origi ...
Power Steering System Description and Operation
The hydraulic power steering pump is a constant displacement vane-type pump
that provides hydraulic pressure and flow for the power
steering gear. The hydraulic power steering pumps are either belt-driven or
direct-drive, cam-driven.
The power steering fluid reservoir holds the power steerin ...
Navigation
OnStar navigation requires the Directions and Connections service plan.
Press to receive directions or have
them sent to the vehicle navigation screen, if equipped.
Destinations can also be forwarded to the vehicle from MapQuest.com.
The OnStar mapping database is continuously updated. For cov ...