OnStar Vehicle Diagnostics can perform a vehicle check every month. It will check
the engine, transmission, antilock brakes, and other major vehicle systems. It also
checks the tire pressures, if the vehicle is equipped with the Tire Pressure Monitoring
System. If an On-Demand Diagnostics check is needed, press
, and an Advisor can run a check.
Connections
OnStar Additional InformationInterior Lighting
Dome Lamps
The dome lamp controls are in the overhead console.
Move the control to change the lamp setting.
OFF: Turns the lamps off, even when a door is open.
DOOR: Turns the lamps on automatically when a door is opened.
ON: Turns on the dome lamps.
For more information about interior lig ...
Tire Inspection
We recommend that the tires, including the spare tire, if the vehicle has one,
be inspected for signs of wear or damage at least once a month.
Replace the tire if:
The indicators at three or more places around the tire can be seen.
There is cord or fabric showing through the tire's rubb ...
Heated Front Seats
Warning
If you cannot feel temperature change or pain to the skin, the
seat heater may cause burns. To reduce the risk of burns, people with such a condition
should use care when using the seat heater, especially for long periods of time.
Do not place anything on the seat that insulates again ...