Mercedes-Benz SLR McLaren. Operator's Manual.

Controls in detail
Locking and unlocking
Warning! G
You can open a locked door from inside at
any time. Open door only when conditions
are safe to do so.
The switches are located on the upper part
of the center console.
Central locking switches
1 Locking
2 Unlocking
104
Locking
Press central locking switch 1.
If all the doors are closed, the vehicle
locks.
Unlocking
Press central locking switch 2.
The vehicle unlocks.
i
If the vehicle was previously centrally
locked using the SmartKey, it will not
unlock using the central locking switch.
If the vehicle was previously locked
with the central locking switch
while in the global remote control
mode, the complete vehicle is unlocked
when a door is opened from
the inside
while in the selective remote control
mode, only the door opened
from the inside is unlocked