DESCRIPTION AND OPERATION
4.2 RANGE ROVER
Central Door Locking (CDL) and Superlocking
Two levels of locking are available; Central Door Locking (CDL) and Superlocking. CDL
locks all doors, the tail door and the fuel filler flap. Superlocking carries out the same function
as CDL but also inhibits operation of the interior door handles and sill buttons.
Superlocking is activated when either the Radio Frequency (RF) handset or the key is used
to lock the vehicle. CDL is activated if the CDL master switch mounted on the fascia is
pressed.
The RF handset, which is incorporated into the head of the ignition key, has three buttons.
Pressing the large 'Land Rover' button once locks all doors and the tail door. This is followed
by a single confirmation flash of the hazard warning lamps to inform that the vehicle has
been locked successfully.
Pressing and holding the 'Land Rover' button for longer than 2 seconds locks all the doors
and tail door and also closes any open windows (including the sunroof). Completion of this
is again followed by a single confirmation flash of the hazard warning lamps to inform that
the vehicle has been locked successfully.
Pressing the unlock 'Arrow' button once unlocks the drivers door. Pressing the unlock 'Arrow'
button a second time unlocks the remaining three doors and the tail door. Pressing and
holding the 'Arrow' button for longer than 2 seconds opens all the windows and the sunroof.
NOTE: Automatic opening and closing of the windows and sunroof is suspended if the lock
or unlock button is released before the operation has been completed.
A third button on the handset operates the upper tail door lock. A single press of this button
will unlock the upper tail door and temporarily suspend operation of the anti-theft alarm
system. Once the tail door has been closed the tail door is automatically locked and the anti-
theft alarm system reinstated. This is confirmed by a single flash of the hazard warning
lamps.
For a detailed description of the CDL system, refer to the Anti-theft Alarm and Central
Door Locking section of the Description and Operation Workshop Manual.
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