LeSabre & Park Avenue
WARNING: This page is about a different car, the 2003 Pontiac Bonneville, 2003 Buick Park Avenue, and 2003 Buick LeSabre. However, it is still accessible from the selected car via links, so may be relevant.
- Display OIL LIFE INDEX on the DIC.
- Press and hold the RESET button on the DIC for more than 5 seconds. The oil life will change to 100 percent.