GMC Buick Encore GX 2020 Owner's Manual page 265

264 Driving and Operating
Alerting the Driver
With Head-Up Display Screen
Closed
With Head-Up Display
Screen Open
Without Head-Up Display
If ACC is engaged, driver action
may be required when ACC cannot
apply sufficient braking because of
approaching a vehicle too rapidly.
When this condition occurs, the red
collision alert symbol will flash on
the windshield or on the HUD,
if equipped. Eight beeps will sound
from the front.
See Defensive Driving 0 226.
Approaching and Following a
Vehicle
The vehicle ahead indicator is in the
instrument cluster and HUD,
if equipped. It only displays when a
vehicle is detected in your vehicle s
path moving in the same direction.
If this symbol is not displaying, ACC
will not respond to or brake for
vehicles ahead.
ACC automatically slows the vehicle
down and adjusts vehicle speed to
follow a detected vehicle ahead at
the selected following gap. The
vehicle speed increases or
decreases to follow a detected
vehicle in front of your vehicle.
When that vehicle is traveling
slower than your vehicle set speed,
it may apply limited braking,
if necessary. When braking is
active, the brake lamps will come
on. The automatic braking may feel
or sound different than if the brakes
were applied manually. This is
normal.
Passing a Vehicle While
Using ACC
If the set speed is high enough, and
the left turn signal is used to pass a
vehicle ahead in the selected