When to Check and Change Automatic Transmission Fluid

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

Change the fluid and filter at the intervals listed in Scheduled Maintenance and be sure to use the transmission fluid listed in Recommended Fluids and Lubricants.

    See also:

    OnStar Steering Wheel Controls
    This vehicle may have a Talk/Mute button that can be used to interact with OnStar hands-free calling. See Audio Steering Wheel Controls for more information. On some vehicles, the mute button c ...

    Checking the Fluid Level
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    When the Light Is On Steady
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