When to Inspect the Engine AirCleaner/Filter
Inspect the air cleaner/filter at the Maintenance II intervals and replace at the first oil change after each 50,000 mile (83 000 km) interval.
If you are driving in dusty/dirty conditions, inspect the filter at each engine oil change.
See also:
Driving On Grades
Reduce speed and shift to a lower gear before
you start down a long or steep downgrade. If you
don’t shift down, you might have to use your
brakes so much that they would get hot and no
longer w ...
Automatic Dimming Rearview Mirror with OnStar® and Compass
Your vehicle may have an automatic-dimming
rearview mirror with a compass and the OnStar®
system.
There are three additional buttons for the OnStar®
system. See your dealer for more informatio ...
Unable to Connect to OnStar
Message
If there is limited cellular coverage
or the cellular network has reached
maximum capacity, this message
may come on. Push to try the
call again or try again after driving a
few miles into ...
