How to Reset the Maintenance Light on Cadillac ATS?

1 Answers
DeJoanna
07/25/25 9:24pm
There are two methods to reset the maintenance light on Cadillac ATS: Method 1: 1. Turn on the ignition while the engine is off. 2. Fully depress and release the accelerator pedal three times within 5 seconds. 3. If the "Change Engine Oil Soon" message does not appear, the reset is successful. Method 2: 1. Use the driver information center control buttons on the right side of the steering wheel to navigate the instrument cluster display to the "Oil Life" interface. When the remaining oil life is low, the display will show the "Change Engine Oil Soon" message. 2. Press and hold the "SEL" (Select/Confirm) button in the driver information center control area for several seconds to clear the "Change Engine Oil Soon" message. 3. After resetting the oil life system, the display will show "Oil Life 100%". If the "Change Engine Oil Soon" message reappears after starting the vehicle, the engine oil life system has not been reset, and the above procedure should be repeated. Be careful not to accidentally reset the oil life display unless the oil has been changed. Accurate reset can only be performed at the next oil change.
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