Under the Hood

A 291-hp, 4.2-liter inline-six-cylinder is standard, and a 300-hp, 5.3-liter V-8 is optional. A four-speed automatic is the sole transmission.

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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 ...

    Tire Sealant
    Read and follow the safe handling instructions on the label adhered to the compressor. Check the tire sealant expiration date on the sealant canister. The sealant canister should be replaced befo ...

    Setting the Time (Without Date Display)
    1. Press the CONFIG button and select Time Settings, or press . 2. Select Set Time. 3. Turn the Menu knob to adjust the highlighted value. 4. Press SELECT to select the next value. 5. To s ...