GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-17942154) - 2025
262 Driving and Operating
Reverse Automatic Braking (RAB)
B
a
cking Warning and RAB
{ Warning
T
he Backing Warning System only operates
a
t speeds greater than 8km/h (5 mph).
It does not detect children, pedestrians,
bicyclists, animals, or objects below the
bumper or that are too close or too far
from the vehicle. In some situations, such
as at higher backing speeds, there may
not be enough time for the short, sharp
application of the vehicle brake system
to occur. To prevent injury, death, or
vehicle damage, even with the Backing
Warning System, always check the area
around the vehicle and check all mirrors
before backing.
{ Warning
RAB may not avoid many types of backing
cr
ashes. Do not wait for the automatic
braking to apply. This system is not
(Continued)
Warning (Continued)
designed to replace driver braking and
only works in R (Reverse) when an object
is detected directly behind the vehicle. It
may not brake or stop in time to avoid
acrash. It will not brake for objects when
the vehicle is moving at very low speeds.
It does not detect children, pedestrians,
bicyclists, animals, or objects below the
bumper or that are too close or too far
from the vehicle. To prevent injury, death,
or vehicle damage, even with RAB, always
check the area around the vehicle before
and while backing.
{ Warning
T
here may be instances where unexpected
or
undesired automatic braking occurs. If
this happens, either press the brake pedal or
firmly press the accelerator pedal to release
the brakes from the RAB system. Before
releasing the brakes, check the RVC and
check the area around the vehicle to make
sure it is safe to proceed.
If equipped and enabled, when in R(Reverse),
Ba
cking Warning alerts of rear objects at
vehicle speeds greater than 8 km/h (5 mph).
RAB may automatically brake hard at speeds
between 1–32 km/h (0.5–20 mph).
The Backing Warning System will beep once
from the rear when an object is first detected,
or pulse twice on both sides of the Safety Alert
Seat. When the system detects apotential
crash, beeps will be heard from the rear, or five
pulses will be felt on both sides of the Safety
Alert Seat. There may also be abrief, sharp
application of the brakes.
When the vehicle is in R (Reverse), if the system
detects the vehicle is backing too fast to avoid
acrash with adetected object behind your
vehicle in your path, it may automatically
brake hard to a stop to help avoid or reduce the
harm caused by abacking crash.
To view available settings from the
infotainment home screen, touch Settings
>Vehicle >Collision/Detection Systems.
Pressing the brake pedal after the vehicle
comes to astop will release RAB. If the brake
pedal is not pressed soon after the stop, the
Electric Parking Brake (EPB) may be set. When it
is safe, press the accelerator pedal firmly at any
time to override RAB.