GMC Acadia 2022 Owner's Manual page 222

GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-MidEast-
15170043) - 2022 - CRC - 5/25/21
222 Driving and Operating
ACC will not set at a speed less than
25 km/h (15 mph), although it can be
resumed when driving at lower speeds. The
minimum allowable set speed is 25 km/h
(15 mph).
To set ACC:
1. Press .
2. Get up to the desired speed.
3. Press and release SET .
4. Remove foot from the accelerator.
After ACC is set, it may immediately apply
the brakes if a vehicle ahead is detected
closer than the selected following gap.
ACC can also be set while the vehicle is
stopped if ACC is on and the brake pedal is
applied.
The ACC indicator displays on the
instrument cluster and Head-Up Display
(HUD), if equipped. When ACC is active, the
indicator will be lit green.
Be mindful of speed limits, surrounding
traffic speeds, and weather conditions when
selecting the set speed.
Resuming a Set Speed
If ACC is set at a desired speed and then the
brakes are applied, ACC is disengaged
without erasing the set speed from memory.
To begin using ACC again, press RES+ up
briefly.
If the vehicle is moving, it returns to the
previous set speed.
If the vehicle is stopped with the brake
pedal applied, press RES+ and release the
brake pedal. ACC will hold the vehicle
until RES+ or the accelerator pedal is
pressed.
A green ACC indicator and the set speed
display on the instrument cluster. The
vehicle ahead indicator may be flashing if a
vehicle ahead was present and moved. See
Approaching and Following a Vehicle later
in this section.
Once ACC has resumed, if there is no vehicle
ahead, if the vehicle ahead is beyond the
selected following gap, or if the vehicle has
exited a sharp curve, then the vehicle speed
will increase to the set speed.
Increasing Speed While ACC is at a Set Speed
If ACC is already activated, do one of the
following:
Use the accelerator to get to the higher
speed. Press SET . Release the control
and the accelerator pedal. The vehicle will
now cruise at the higher speed.
When the accelerator pedal is pressed,
ACC will not brake because it is
overridden. While overridden, the ACC
indicator will turn blue on the instrument
cluster and Head-Up Display (HUD),
if equipped.
Press and hold RES+ until the desired set
speed appears on the display, then
release it.
To increase vehicle speed in small
increments, briefly press RES+. For each
press, the vehicle goes 1 km/h (1 mph)
faster.
To increase speed in larger increments,
hold RES+. While holding RES+, the vehicle
speed increases to the next 5 km/h
(5 mph) step, then continues to increase
by 5 km/h (5 mph) at a time.
The set speed can also be increased while
the vehicle is stopped.