Buick REGAL 1997 Manual page 155

OIL LIFE MONITOR:
Shows an estimate of the oil's
RANGE: Shows the approximate distance you can
remaining useful life. When the oil life index is less than
drive without refueling. This is based on the amount of
lo%, the CHANGE OIL SOON light will come on. fuel in the tank and on the fuel economy of the most
When you have the oil changed according to the
recent 25 miles. Pressing RESET while in this mode
maintenance schedule (see "Maintenance Schedule" in
will have no effect.
the Index),
YOU
will have to reset the oil life monitor. TO BOOST GAGE: If you have the supercharged engine,
five seconds while the oil life monitor is being displayed receiving. Pressing RESET while in this mode will have
on the DIC. The oil life will change to 100%.
do this, press and hold the RESET button for than this gage will show the amount of boost your engine is
no effect.