OnStar Services

See also:

At Each Fuel Fill
Engine Oil Level Check Check the engine oil level and add the proper oil if necessary. Notice: It is important to check your oil regularly and keep it at the proper level. Failure to keep your ...

When to Inspect the Engine Air Cleaner/Filter
Inspect the air cleaner/filter at the scheduled maintenance intervals and replace it at the first oil change after each 80 000 km (50,000 mi) interval. See Maintenance Schedule for more inform ...

Accessories and Modifications
Adding non-dealer accessories or making modifications to the vehicle can affect vehicle performance and safety, including such things as airbags, braking, stability, ride and handling, emissions syste ...