Maintenance - GMC 2013 Sierra Owner's Manual

When the sunroof is opened, an air
deflector will automatically raise.
The air deflector will retract when
the sunroof is closed.
The sunroof also has a sunshade
that you can pull forward to block
the rays of the sun. The sunshade
must be opened and closed
manually.
If an object is in the path of the
sunroof while it is closing, the
anti-pinch feature will detect the
object and stop the sunroof.
See Sunroof (Crew Cab) on
page 2 21 or Sunroof (Extended
Cab) on page 2 20.
Performance and

Maintenance

®
StabiliTrak System
If equipped, the vehicle has a
traction control system that limits
wheel spin and the StabiliTrak
system that assists with directional
control of the vehicle in difficult
driving conditions. Both systems
turn on automatically every time the
vehicle is started.
To turn off traction control, press
and release on the instrument
panel. The appropriate DIC
message displays. See Ride
Control System Messages on
page 5 42.
To turn off both traction control
and StabiliTrak, press and
hold until illuminates and
the appropriate DIC message
displays. See Ride Control
System Messages on page 5 42.
I n f o r ma t i o n P r o v i d e d b y :
In Brief
Press and release again to
turn on both systems.
For more information, see
®
StabiliTrak System on page 9 53.
Tire Pressure Monitor
This vehicle may have a Tire
Pressure Monitor System (TPMS).
The low tire pressure warning light
alerts to a significant loss in
pressure of one of the vehicle's
tires. If the warning light comes on,
stop as soon as possible and inflate
the tires to the recommended
pressure shown on the Tire and
Loading Information label. See
Vehicle Load Limits on page 9 15.
The warning light will remain on until
the tire pressure is corrected.
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