Sedan and Coupe Model
(Washer Fluid): Press the
button with this symbol, on the end
of the windshield washer lever to
wash the windshield. The washer
fluid sprays onto the windshield and
the wipers run for a few cycles to
clear the windshield. Press and
hold for more wash cycles.
See also:
Lumbar Adjustment
To adjust the lumbar support:
Press and hold the front or rear of the control to increase or decrease
lumbar support.
Press and hold the top or bottom of the control to raise or lower the
...
Mirror Adjustment
Exterior
Manual Folding Mirrors Shown
To adjust the mirror:
1. Move the selector switch to L (Left) or R (Right) to choose the driver or
passenger mirror.
2. Press the arrows on the con ...
Diagnostics
OnStar Vehicle Diagnostics will
perform a vehicle check every
month. It will check the engine,
transmission, antilock brakes, and
major vehicle systems. It also
checks the tire pressures, if ...