First Engine Oil Change After Every 160 000 km/100,000 Miles

• Automatic transmission fluid change (normal service). See Automatic Transmission Fluid .

• Spark plug replacement. An Emission Control Service.

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    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 ...

    StabiliTrak® OFF Light
    This light comes on briefly while starting the engine. If it does not, have the vehicle serviced by your dealer. This light comes on when the StabiliTrak system is turned off. If the Tract ...

    Battery Voltage and Charging Messages
    BATTERY SAVER ACTIVE This message displays when the vehicle has detected that the battery voltage is dropping beyond a reasonable point. The battery saver system starts reducing certain features of t ...