When to Check and Change AutomaticTransmission Fluid

A good time to check your automatic transmission fluid level is when the engine oil is changed.

Change the fluid and filter at the intervals listed in Additional Required Services on page 482, and be sure to use the transmission fluid listed in Recommended Fluids and Lubricants on page 489.

    See also:

    Engine Compartment Overview
    A. Engine Air Cleaner/Filter . B. Electric Engine Cooling Fan (Out of View). See Cooling System . C. Engine Oil Dipstick. See “Checking Engine Oil” under Engine Oil . D. Engine Oil Fill Cap. ...

    Treadwear
    The treadwear grade is a comparative rating based on the wear rate of the tire when tested under controlled conditions on a specified government test course. For example, a tire graded 150 would w ...

    Online Owner Center
    Manage your vehicle (U.S.) at buick.com. Click on "Owners," then "Manage My Buick/Owners Login." Information and services customized for your specific vehicle — all in o ...