If Your oil change light is on in Your 2018 GMC Terrain then the first thing that You should do is make sure to change the oil. The reminder light is there to help You remember to change it so that it protects Your engine. If You have already changed it then You will want to go ahead and put the vehicle in the on position without starting the engine. You can then press the gas pedal to the floor three times within five seconds. After that turn off the vehicle and then turn it back on and start the engine. The light should turn off shortly after the engine starts up.
Walter F.
April 9, 2020
All you have to do is to turn the ignition of the car on.Please do not start the engine .It will show the remaining oil life on the information display.You can now press the gas pedal four times within 5 seconds.
Stephen D.
April 9, 2020
Turn on the ignition but without cranking the engine, and display the remaining oil life on the display by using the navigation button. Then fully press the gas pedal to the floor three times quickly, within five seconds.
R-MAN
May 22, 2022
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