Safety Locks; Trunk - GMC Cadillac CT5 2021 Manual

18 KEYS, DOORS, AND WINDOWS
If the vehicle is off and locking is
requested while a door is open, when
all doors are closed the vehicle will
check for keys inside. If any remote
key programmed to the vehicle is
detected and the number of keys
inside has not reduced, the driver door
will unlock and the horn will chirp
three times.
Lockout Protection can be manually
overridden with the driver door open
by pressing and holding
power door lock switch.

Safety Locks

Manual Safety Locks
The safety lock is on the inside edge
of the rear doors. To use the
safety lock:
1. Move the lever forward to the lock
position.
2. Close the door.
3. Repeat for the other rear door.
To open a rear door when the safety
lock is on:
1. Unlock the door by activating the
inside handle, by pressing the
on the
power door lock switch, or by using
the remote key.
2. Open the door from the outside.
When the safety lock is enabled,
adults and older children will not be
able to open the rear door from the
inside. Cancel the safety locks to
enable the doors to open from the
inside.
To cancel the safety lock:
1. Unlock the door and open it from
the outside.
2. Move the lever rearward to unlock.
Repeat for the other door.
Doors

Trunk

Warning
Exhaust gases can enter the vehicle
if it is driven with the liftgate or
trunk/hatch open, or with any
objects that pass through the seal
between the body and the trunk/
hatch or liftgate. Engine exhaust
contains carbon monoxide (CO)
which cannot be seen or smelled.
It can cause unconsciousness and
even death.
If the vehicle must be driven with
the liftgate or trunk/hatch open:
Close all of the windows.
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 and set the fan
speed to the highest setting. See
Climate Control Systems in the
Index.