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 InformationVehicle Personalization
Personalization Menu (Radio without Touchscreen)
The audio system controls and touchscreen are used to access the personalization
menus for customizing vehicle features.
The following are all possible personalization features. Depending on the vehicle,
some may not be available.
CONFIG (Confi ...
Passenger Compartment Air Filter
The filter reduces the dust, pollen, and other airborne irritants from outside
air that is pulled into the vehicle.
The filter should be replaced as part of routine scheduled maintenance. See Maintenance
Schedule on page 11-3. To find out what type of filter to use, see Maintenance Replacement ...
Hill and Mountain Roads
Driving on steep hills or through mountains is different than driving on flat
or rolling terrain. Tips for driving in these conditions include:
Keep the vehicle serviced and in good shape.
Check all fluid levels and brakes, tires, cooling system, and transmission.
Shift to a lower gear whe ...