See also:

Recommended Fluids and Lubricants
...

Customer Satisfaction Procedure (U.S. and Canada)
Your satisfaction and goodwill are important to your dealer and to Buick. Normally, any concerns with the sales transaction or the operation of the vehicle will be resolved by your dealer's ...

Power Reclining Seatbacks
To raise or recline the seatback, tilt the top of the control forward or rearward. See Reclining Seatbacks. ...