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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 ...

Engine Coolant
The cooling system in the vehicle is filled with DEX-COOL engine coolant. This coolant is designed to remain in the vehicle for 5 years or 240 000 km (150,000 mi), whichever occurs first. The fol ...

Ignition Positions (Keyless Access)
The vehicle has an electronic keyless ignition with pushbutton start. Pressing the button cycles it through three modes: ACC/ACCESSORY, ON/RUN/START, and Stopping the Engine/OFF. The transmitter ...