Инструкция для GMC SIERRA 2500HD (2015)

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Black plate (49,1)

GMC Sierra Owner Manual (GMNA Localizing-U.S/Canada/Mexico-

7299746) - 2015 - CRC - 6/5/14

Driving and Operating

9-49

There may be situations on minor
hills (less than 5% grade) with a
loaded vehicle or while pulling a
trailer where HSA will not activate.

If you release the brake pedal and
then reapply the brake pedal while
HSA is activated, the brake pedal
typically feels firmer with less pedal
travel.

Ride Control Systems

Traction Control/
Electronic Stability
Control

System Operation

The vehicle has a Traction Control
System (TCS) and StabiliTrak

, an

electronic stability control system.
These systems help limit wheel spin
and assist the driver in maintaining
control, especially on slippery road
conditions.

TCS activates if it senses any of the
drive wheels are spinning or
beginning to lose traction. When this
happens, TCS applies the brakes to
the spinning wheels and reduces
engine power to limit wheel spin.

StabiliTrak activates when the
vehicle senses a difference between
the intended path and the direction
the vehicle is actually traveling.
StabiliTrak selectively applies
braking pressure to any one of the

vehicle wheel brakes to assist the
driver in keeping the vehicle on the
intended path. Trailer Sway Control
(TSC) is also on automatically when
the vehicle is started. See

Trailer

Sway Control (TSC) on page 9-95

If cruise control is being used and
traction control or StabiliTrak begins
to limit wheel spin, cruise control will
disengage. Cruise control may be
turned back on when road
conditions allow.

Both systems come on
automatically when the vehicle is
started and begins to move. The
systems may be heard or felt
while they are operating or while
performing diagnostic checks. This
is normal and does not mean there
is a problem with the vehicle.

It is recommended to leave both
systems on for normal driving
conditions, but it may be necessary
to turn TCS off if the vehicle gets
stuck in sand, mud, ice, or snow.
See

If the Vehicle Is Stuck on