See also:

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, inspec ...

Comfortable, quiet ride
In addition to delivering surprising performance, Rainier's refined powertrains and precision-engineered chassis system contribute to a comfortable, quiet ride - a Buick distinction throughout its ...

Engine Oil Life System
The engine oil life system calculates engine oil life based on vehicle use and displays the CHANGE ENGINE OIL SOON message when it is time to change the engine oil and filter. The oil life system sho ...