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:
Additional Required Services
The following services should be performed at the first maintenance service
(I or II) after the indicated
miles (kilometers) shown for each item.
Additional Required Services
Additional Require ...
Transferring Service
Push to request account transfer
eligibility information. The Advisor
can assist in canceling or removing
account information. If OnStar
receives information that vehicle
ownership has chan ...
Fuel System Messages
FUEL LEVEL LOW
This message displays when the
vehicle is low on fuel. Refuel as
soon as possible.
TIGHTEN GAS CAP
This message displays when the
fuel cap is not on tight. Tighten the
fuel c ...