Driver Assistance Systems - GMC Sierra Owner's Manual

254 Driving and Operating
For other forms of descent control, see Hill
Descent Control (HDC) 0 250, Automatic
Transmission 0 239, and Tow/Haul Mode
0 242.
Ending Cruise Control
There are four ways to end cruise control:
Step lightly on the brake pedal.
Press .
Shift the transmission to N (Neutral).
To turn off cruise control, press
Erasing Speed Memory
The cruise control set speed is erased from
memory if is pressed or the ignition is
turned off.

Driver Assistance Systems

This vehicle may have features that work
together to help avoid crashes or reduce
crash damage while driving, backing, and
parking. Read this entire section before
using these systems.
Do not rely on the Driver Assistance
Systems. These systems do not replace
the need for paying attention and driving
safely. You may not hear or feel alerts or
warnings provided by these systems.
Failure to use proper care when driving
may result in injury, death, or vehicle
damage. See Defensive Driving 0 214.
.
Under many conditions, these systems
will not:
Detect children, pedestrians, bicyclists,
or animals.
Detect vehicles or objects outside the
area monitored by the system.
Work at all driving speeds.
Warn you or provide you with enough
time to avoid a crash.
Work under poor visibility or bad
weather conditions.
Work if the detection sensor is not
cleaned or is covered by ice, snow,
mud, or dirt.
Warning
(Continued)
Warning (Continued)
Work if the detection sensor is
covered up, such as with a sticker,
magnet, or metal plate.
Work if the area surrounding the
detection sensor is damaged or not
properly repaired.
Complete attention is always required
while driving, and you should be ready to
take action and apply the brakes and/or
steer the vehicle to avoid crashes.
Audible or Safety Alert Seat
Some driver assistance features alert the
driver of obstacles by beeping. To change
the volume of the warning chime, see
Comfort and Convenience under Vehicle
Personalization 0 132.
If equipped with the Safety Alert Seat, the
driver seat cushion may provide a vibrating
pulse alert instead of beeping. To change
this, see Collision/Detection Systems under
Vehicle Personalization 0 132.
Cleaning
Depending on vehicle options, keep these
areas of the vehicle clean to ensure the best
driver assistance feature performance. Driver