GMC 2011 Sierra User Manual

Page 350

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GMC Sierra Owner Manual - 2011

9-56

Driving and Operating

If the vehicle has StabiliTrak

®

,

shifting into Four-Wheel Drive
Low will turn Traction Control and
StabiliTrak off. See StabiliTrak

®

System on page 9‑70.

A parking brake symbol is located
next to the N (Neutral) symbol as a
reminder to set the parking brake
before shifting the transfer case into
N (Neutral).

{

WARNING

Shifting the transfer case to
N (Neutral) can cause the vehicle
to roll even if the transmission
is in P (Park). You or someone
else could be seriously injured.
Be sure to set the parking brake
before placing the transfer case
in N (Neutral). See Parking Brake
on page 9‑69
.

N (Neutral): Shift to this setting
only when the vehicle needs to be
towed. See Recreational Vehicle
Towing on page 10‑103
or Towing
the Vehicle on page 10‑103
.

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.

4

m

(Four-Wheel Drive High): Use

this setting when you need extra
traction, such as on snowy or icy
roads or in most off-road situations.
This setting also engages the front
axle to help drive your vehicle.
This is the best setting to use
when plowing snow.

You can shift from Two-Wheel Drive
High to Four-Wheel Drive High
or Four-Wheel Drive High to
Two-Wheel Drive High while the
vehicle is moving. In extremely
cold weather, it may be necessary
to stop or slow the vehicle to shift
into Four-Wheel Drive High.

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