Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-16500442) -
2023 - CRC - 5/10/22
Driving and Operating
315
Other Vehicle Lane Changes
ACC will not detect a vehicle
ahead until it is completely in
the lane. The brakes may need
to be manually applied.
Objects Not Directly in Front
of Your Vehicle
The detection of objects in
front of the vehicle may not be
possible if:
.
The vehicle or object ahead
is not within your lane.
.
The vehicle ahead is shifted,
not centered, or is shifted to
one side of the lane.
Driving in Narrow Lanes
Vehicles in adjacent traffic
lanes or roadside objects may
be incorrectly detected when
located along the roadway.
Do Not Use ACC on Hills and
When Towing a Trailer
Do not use ACC when driving
on steep hills or when towing
a trailer. ACC will not detect a
vehicle in the lane while driving
on steep hills. If the brakes are
applied, ACC disengages.
Disengaging ACC
There are three ways to
disengage ACC:
.
Step lightly on the brake
pedal.
.
Press
*
.
.
Press
J
.
Erasing Speed Memory
The ACC set speed is erased
from memory if
J
is pressed
or if the ignition is turned off.
Weather Conditions
Affecting ACC
System operation may be
limited under snow, heavy rain,
or road spray conditions.
Accessory Installations and
Vehicle Modifications
Do not install or place any
object around the front
camera windshield area that
would obstruct the front
camera view.
Do not install objects on top of
the vehicle that overhang and
obstruct the front camera,
such as a canoe, kayak,
or other items.