Engine Exhaust; Running The Vehicle; While Parked - Cadillac XT4 2023 Owner's Manual

256 Driving and Operating
If the vehicle is left parked and
running with the remote key
outside the vehicle, it will
continue to run for up to
15 minutes.
If the vehicle is left parked and
running with the remote key
inside the vehicle, it will
continue to run for up to
30 minutes.
The vehicle could turn off
sooner if it is parked on a hill,
due to lack of available fuel.
The timer will reset if the
vehicle is taken out of P (Park)
while it is running.

Engine Exhaust

Warning
Engine exhaust contains
carbon monoxide (CO),
which cannot be seen or
smelled. Exposure to CO can
cause unconsciousness and
even death.
(Continued)
Warning (Continued)
Exhaust may enter the
vehicle if:
The vehicle idles in areas
with poor ventilation
(parking garages, tunnels,
deep snow that may block
underbody airflow or tail
pipes).
The exhaust smells or
sounds strange or
different.
The exhaust system leaks
due to corrosion or
damage.
The vehicle exhaust
system has been modified,
damaged, or improperly
repaired.
There are holes or
openings in the vehicle
body from damage or
aftermarket modifications
that are not completely
sealed.
(Continued)
Warning (Continued)
If unusual fumes are
detected or if it is suspected
that exhaust is coming into
the vehicle:
Drive it only with the
windows completely down.
Have the vehicle repaired
immediately.
Never park the vehicle with
the engine running in an
enclosed area such as a
garage or a building that has
no fresh air ventilation.

Running the Vehicle

While Parked

It is better not to park with the
engine running.
If the vehicle is left with the
engine running, follow the
proper steps to be sure the
vehicle will not move. See
Shifting Into Park 0 254 and
Engine Exhaust 0 256.