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:
Finish Damage
Any stone chips, fractures or deep scratches in the finish
should be repaired right away. Bare metal will corrode
quickly and may develop into major repair expense.
Minor chips and scratches can ...
Your Responsibility
You may need to increase the volume of your
radio to hear the OnStar® advisor. If the light next
to the OnStar® buttons is red, this means that
your system is not functioning properly and should
...
Running the Vehicle While Parked
It is better not to park with the engine running. But if you
ever have to, here are some things to know.
WARNING:
Idling a vehicle in an enclosed area with poor
ventilation is dangerous. Engine ...
