reset the GM Oil Life System ?: Turn the system on by pressing the PWR/VOL knob once. The PWR/VOL knob is located to the lower left of the DIC display. Press the INFO button located to the left of the
...knob once to select it. Once the 100% engine oil life is displayed, press the multi- function button next to the reset prompt in the upper right corner of the display, the percentage will return to ...
...reset the OBD II check engine light" 2003 CTS Press F1 and F6 on the radio at the same time and hold down. When you release, all the lights will come on, then a prompt to "clear code" - ...
knob to enter the code that was provided with the vehicle's owner's manual. If you don't have the code, you will need to contact a Cadillac dealership or a certified mechanic to retrieve it for you. 5
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