Cadillac 2010 DTS - Manual (Page 127)

— (On): Press this side of the button to turn the lockout
feature on. When the lockout feature is turned on, the
trunk cannot be unlocked with the keyless entry
transmitter or the trunk release button located near the
headlamp switch on the instrument panel.
If the valet lockout feature is on it will also disable the
Universal Home Remote transmitter, if equipped.
Locking the glove box with your key will also help to
secure your vehicle.
See Remote Keyless Entry (RKE) System Operation on
page 3-4 and Trunk on page 3-12 for additional
information.
Content Theft-Deterrent
The security light is
located on the instrument
panel cluster.
To arm the system:
1. Open the door.
2. Lock the door using the power door lock switch with
the door open or the Remote Keyless Entry (RKE)
transmitter. The security light will flash.
3. Close all the doors. The security light will come on
and stay on for approximately 30 seconds.
If a door or the trunk is opened without a key or a
RKE transmitter the horn will sound and the lamps will
flash for about 30 seconds.
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