
GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-13337776) - 2020 - CRC - 8/27/19
Driving and Operating
241
Active Braking During Lift Throttle:
.
Automatically applies light
braking, similar to heavy engine
braking of four-wheel-drive low.
.
Applies light braking in D (Drive)
until the vehicle is at idle
speeds. In Manual L1 and
Manual L2, moderate braking
may stop the vehicle.
.
Reduces trailer braking.
Terrain Mode
Drive Select
Expected Vehicle Behavior
Ideal Terrain
Drive (L3-Lx)
Minor deceleration when off
throttle and mild ability to
modulate throttle; mimics
performance of 4
n
without
torque multiplication.
Grassy fields,
mild two tracks,
rutted roads,
large rolling hills,
L2
Moderate deceleration when
off throttle and moderate
ability to modulate throttle;
will bring vehicle to a stop in
most cases.
Mild rock crawling,
heavy ruts,
short, steeper grades,
L1
Significant deceleration when
off throttle and significant
ability to modulate throttle;
will bring vehicle to a stop in
most cases.
Rock crawling downhill
Active Braking During Lift Throttle
will reduce the back and forth
between the accelerator and brake
pedals.
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.