GMC 2011 Sierra - Manual (Page 353)

Black plate (59,1) GMC Sierra Owner Manual - 2011
Driving and Operating 9-59
Electronic Transfer Case
The transfer case knob is located
next to the steering column.
Use the dial to shift into and out of
four-wheel drive.
Recommended Transfer Case Settings
Driving Conditions
Transfer Case Settings
2m 4m 4n N
Normal YES
Severe YES
Extreme YES
Vehicle in Tow* YES
*See Recreational Vehicle Towing on page 10‑103 or Towing the Vehicle
on page 10‑103.
You can choose among four driving
settings:
Indicator lights in the dial
show which setting you are in.
The indicator lights will come on
briefly when you turn on the ignition
and one will stay on. If the lights do
not come on, you should take the
vehicle to your dealer for service.
An indicator light flashes while
shifting the transfer case and
remains illuminated when the
shift is complete. If for some
reason the transfer case cannot
make a requested shift, it will return
to the last chosen setting.
2 m (Two-Wheel Drive High): This
setting is used for driving in most
street and highway situations.
The front axle is not engaged in
Two-Wheel Drive. This setting also
provides the best fuel economy.