At Least Once a Month
Tire Inflation Check
Visually inspect your vehicle’s tires and make sure they are inflated to the correct pressures.
Do not forget to check the spare tire.
Tire Wear Inspection
Tire rotation may be required for high mileage highway drivers prior to the Engine Oil Life System service notification. Check the tires for wear and, if necessary, rotate the tires.
See also:
Tire Pressure Light
For vehicles with the Tire Pressure Monitor System (TPMS), this light comes on briefly when the engine is started. It provides information about tire pressures and the TPMS.
When the Light Is On St ...
Storing and Deleting Phone
Numbers
The system can store up to
30 phone numbers as name tags in
the Hands-Free Directory that is
shared between the Bluetooth and
OnStar systems.
The following commands are used
to delete and s ...
How to Inspect the Engine Air Cleaner/Filter
To inspect the air cleaner/filter, remove the filter from the vehicle and lightly
shake the filter to release loose dust and dirt. If the filter remains covered with
dirt, a new filter is required ...