Flash-to-Pass
To flash the high beams, pull the turn signal/lane change lever all the way toward you. Then release it.
See also:
Adding Coolant
If you need more coolant, add the proper
DEX-COOL® coolant mixture at the coolant
recovery tank.
CAUTION:
Turning the radiator pressure cap when
the engine and radiator are hot can allow
stea ...
Interior Mirror
The vehicle has an automatic dimming inside rearview
mirror. Automatic dimming reduces the glare of lights
from behind the vehicle. The dimming feature comes on
and the indicator light illuminat ...
Onstar.com
The website provides access to
account information, manages the
OnStar subscription, and allows
viewing of videos of each service.
Get subscription plan pricing and
sign up for OnStar Vehicle ...
