Magnetic Ride Control - GMC Yukon 2021 Owner's Manual

Terrain Mode Drive
Select
Minor deceleration when off
throttle and mild ability to
Drive (L3-Lx) modulate throttle; mimics
performance of 4 without torque
multiplication.
Moderate deceleration when off
throttle and moderate ability to
L2
modulate throttle; will bring vehicle
to a stop in most cases.
Significant deceleration when off
throttle and significant ability to
L1
modulate throttle; will bring vehicle
to a stop in most cases.
Vehicle Hold Features:
When the vehicle comes to a stop on an
incline grade in forward gear or on a
decline grade in reverse gear, Vehicle
Hold is engaged until the accelerator
pedal is pressed.
When the vehicle is in forward gear on a
decline, the vehicle is allowed to creep
down the hill when the brake pedal is
Expected Vehicle Behavior
released without pressing the accelerator
pedal. The vehicle will also creep forward
on flat ground.
If the driver seat belt is removed and the
driver door is opened while the vehicle is
being held, EPB will be engaged.
EPB will engage if the vehicle is held for
an extended period.
Ideal Terrain
Grassy fields,
mild two tracks,
rutted roads,
large rolling hills,
Mild rock crawling,
heavy ruts,
short, steeper grades,
Rock crawling downhill
Driving and Operating
Terrain Mode is only available on vehicles
equipped with the single speed
transfer case.
Terrain Mode can only be active when:
Vehicle speed is less than 80 km/h
(50 mph).
The transfer case is in 4 .
Frequent use of this mode may cause brake
wear due to the light braking.
The vehicle will automatically exit the mode
if the brakes get too hot. Terrain Mode can
be turned back on after the brakes have
cooled.
When Terrain Mode is selected:
Auto Engine Start/Stop will be disabled.
The Terrain Mode indicator displays on
the instrument cluster.

Magnetic Ride Control

This vehicle may have a semi-active damping
system called Magnetic Ride Control. With
this feature, improved vehicle ride and
handling is provided under a variety of
passenger and loading conditions.
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