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:

    Average Vehicle Speed
    This display shows the average speed of the vehicle in miles per hour (mph) or kilometers per hour (km/h). This average is calculated based on the various vehicle speeds recorded since the ...

    On the Road
    The LaCrosse moves out when pushed, but its capabilities stop short of an all-out sport sedan's — fine by me, seeing as no one ever wanted Buick to build the next BMW. The LaCrosse CXS, which pa ...

    Resuming a Set Speed
    If cruise control is set at a desired speed and the brakes are applied, this shuts off the cruise control. However, it does not need to be reset. Once your vehicle reaches a speed of about 40 km/h ...