Performance And Maintenance - GMC 2011 Sierra Denali Owner's Manual

1-22 In Brief
Sunroof
There are two sunroof switches
located in the overhead console
above the rearview mirror.
Vent: From the closed position,
press the rear of the passenger side
switch to vent the sunroof.
Manual-Open/Manual-Close:
To open the sunroof, press and hold
the rear of the driver side switch
until the sunroof reaches the
desired position. Press and hold the
front of the driver side switch to
close it.
Express-Open/Express-Close:
To express-open the sunroof, fully
press and release the rear of the
driver side switch until the sunroof
reaches the desired position.
To express-close the sunroof, fully
press and release the front of the
driver side switch. Press the switch
again to stop it.
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.
See Sunroof on page 2 20.
Performance and
Maintenance
®
StabiliTrak System
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. illuminates and the
appropriate DIC message
displays. See Ride Control
System Messages on
page 5 43.