GMC Acadia 2025 - Page 201

GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-18281917) - 2025
200 Driving and Operating
Terrain Mode (AT4 Models Only): U
s
e this
mode when traveling on very rough roads
at very low speeds, such as atwo-track or
heavily rutted road. This mode can also be
used for pulling aboat out of the water on
atrailer. When in Terrain mode, the vehicle
shifts automatically, but will hold alower gear
longer to maximize engine torque. This mode
has aunique pedal map and transmission shift
pattern for better control at lower speeds and
over rough terrain.
When the vehicle comes to a stop on an upward
grade, automatic vehicle hold is engaged
until the driver presses the accelerator pedal.
Stop/Start and cruise control are disabled in
Terrain mode.
Active Braking during lift throttle will be
engaged. It applies light braking in D (Drive)
until the vehicle is at idle speeds. In L1 and L2
light braking will typically bring the vehicle
to astop. Active Braking during lift throttle
also reduces trailer braking. Terrain mode
automatically exits to Normal mode if the
brake temperatures become too hot, electronic
parking brake becomes inoperable, or the
vehicle cannot perform braking or vehicle hold.
For more information on off-road driving, see
Of
f-Road Driving 3173 and Hill and Mountain
Roads 3177.
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 will creep down
the hill when the brake pedal is 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, Electric Parking Brake (EPB)
is engaged.
•
EPB engages if the vehicle is held for an
extended period.
Terrain mode can only be active when vehicle
speed is less than 80 km/h (50 mph).
Frequent use of this mode may cause brake
wear due to the light braking.
The vehicle automatically exits the mode if the
b
rakes get too hot. Terrain mode can be turned
back on after the brakes have cooled.
When Terrain mode is selected:
•
Auto Engine Start/Stop is disabled.
•
The Terrain Mode indicator displays on the
instrument cluster.