GMC Cadillac XT4 2019 Owner's Manual page 237

236 DRIVING AND OPERATING
It is recommended to perform the
first oil change before heavy
towing.
During the first 800 km (500 mi) of
trailer towing, do not drive over
80 km/h (50 mph) and do not
make starts at full throttle.
Vehicles can tow in D (Drive).
If the transmission downshifts too
often, a lower gear may be
selected using Manual Mode See
Manual Mode 0 194.
If equipped, the following driver
assistance features should be turned
off when towing a trailer:
Adaptive Cruise Control (ACC)
Super Cruise Control
Lane Keep Assist (LKA)
Park Assist
Automatic Parking Assist (APA)
Reverse Automatic Braking (RAB)
If equipped, the following driver
assistance features should be turned
to alert or off when towing a trailer:
Forward Automatic Braking
System (FAB)
Intelligent Brake Assist (IBA)
Front Pedestrian Braking (FPB)
If equipped with Lane Change Alert
(LCA), the LCA detection zones that
extend back from the side of the
vehicle do not move further back
when a trailer is towed. Use caution
while changing lanes when towing a
trailer.
If equipped with Rear Cross Traffic
Alert (RCTA), use caution while
backing up when towing a trailer, as
the RCTA detection zones that extend
out from the back of the vehicle do
not move further back when a trailer
is towed.
Warning
To prevent serious injury or death
from carbon monoxide (CO), when
towing a trailer:
Do not drive with the liftgate,
trunk/hatch, or rear-most
window open.
Fully open the air outlets on
or under the instrument
panel.
Adjust the climate control
system to a setting that
brings in only outside air. See
Climate Control Systems in
the Index.
For more information about carbon
monoxide, see Engine Exhaust
0 188.
Towing a trailer requires experience.
The combination of the vehicle and
trailer is longer and not as responsive
as the vehicle itself. Get used to the
handling and braking of the
combination by driving on a level road
surface before driving on public roads.