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 Required Services (cont’d)
See also:
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 thre ...
Rear Window Defogger
The rear window defogger uses a warming grid to
remove fog from the rear window.
(Rear Window Defogger): Press to
turn the rear
window defogger on or off. An indicator light below
the button ...
Vehicle and Power Issues
OnStar services require a vehicle
electrical system, wireless service,
and GPS satellite technologies to be
available and operating for features
to function properly. These systems
may not o ...