OnStar Services
See also:
Treadwear 200 Traction AA Temperature A
The following information relates to the system developed by the United States
National Highway Traffic Safety Administration (NHTSA), which grades tires by treadwear,
traction, and temperature pe ...
Manual Operation
(Fan Control): Press the up or down
arrows to increase or decrease the fan speed Pressing this button when the system
is off will turn the system on.
Pressing either arrow while using automatic ...
EPB Release
To release the EPB, turn the ignition
switch to the ON/RUN position,
apply and hold the brake pedal, and
push down momentarily on the EPB
switch. If you attempt to release
the EPB without th ...






