See also:

2011 GMC Sierra 2500HD Review
The "professional grade" brand unveiled the 2011 GMC Sierra Heavy Duty lineup at the 2010 NTEA Work Truck Show. Most of the technical specifications of GM's HD pickups are identical, but ...

Tire Messages
SERVICE TIRE MONITOR SYSTEM If the vehicle has the Tire Pressure Monitor System (TPMS), this message displays if a part on the system is not working properly. The tire pressure light also flashes and ...

Rear Window Lockout
The rear window lockout feature prevents the rear passenger windows from operating, except from the driver position. Press to activate the rear window lockout switch. The LED light comes on when a ...