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:

    Adjusting the Volume
    Turn the VOL/ knob to adjust the volume of the infotainment system after the volume level has been set on the portable audio device. ...

    Fluids
    Proper fluid levels and approved fluids protect the vehicle’s systems and components. See Recommended Fluids and Lubricants for GM approved fluids. • Engine oil and windshield washer ...

    Safety Belt Reminder Light
    When the key is turned to RUN or START, a chime will sound for several seconds to remind you buckle your safety belt. The driver safety belt light will also come on and stay on for several seconds ...