Cadillac 2007 DTS - Manual (Page 101)

The rear doors on your vehicle cannot be opened
from the inside when this feature is in use.
When you want to open a rear door when the
security lock is on, do the following:
1. Unlock the door using the remote keyless
entry transmitter, the front door power lock
switch, or by lifting the rear door manual
lock knob.
2. Open the door from the outside.
To cancel the rear door security lock, do the
following:
1. Unlock the door and open it from the outside.
2. Turn the knob to the horizontal position to
disengage the lock.
3. Do the same for the other rear door.
Lockout Protection
If the key is in the ignition and the power door lock
switch is used to lock the doors, all doors will
lock and then the driver’s door will unlock.
It is always recommended that you remove the
ignition key when locking your vehicle.
The lockout protection feature can be overridden
by holding the power door lock switch for
three seconds or longer.
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