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:
Battery Power Protection
This feature helps to prevent
battery drain if accessory lamps
are left on. If accessory lamps such
as the vanity mirror, cargo, reading,
console, or glove box are left on,
they automaticall ...
Low-Profile Tires
If the vehicle has P235/50R18,
245/45ZR19, P245/45R19,
255/40ZR19, P265/45R18,
275/40ZR19 or 285/35ZR19 size
tires, they are classified as
low–profile tires. These tires are
designed for v ...
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 ...






