Performance And Maintenance - GMC 2015 Sierra Owner's Manual

1-26 In Brief
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 can be pulled forward to block
the rays of the sun. Open and close
the sunshade 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 on page 2-22.
Performance and
Maintenance
Traction Control/
Electronic Stability
Control
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 come on automatically
when the vehicle is started and
begins to move.
To turn off traction control, press
and release on the center
stack. The traction off light
displays in the instrument
cluster. The appropriate Driver
Information Center (DIC)
message displays. See Ride
Control System Messages on
page 5-39.
To turn off both traction control
and StabiliTrak, press and hold
i
until and
instrument cluster and the
appropriate DIC message
displays. See Ride Control
System Messages on page 5-39.
Press and release
turn on both systems.
StabiliTrak will automatically turn
on if the vehicle exceeds
56 km/h (35 mph). Traction
control will remain off.
See Traction Control/Electronic
Stability Control on page 9-50.
Tire Pressure Monitor
This vehicle may have a Tire
i
Pressure Monitor System (TPMS).
illuminate in the
again to