Double lock is activated when locking with a remote control key or with keyless locking*, and takes place with a delay of approx. 10 seconds after the doors have locked. If a door is opened within the delay time then the sequence is interrupted and the alarm is deactivated.
The front left door can also be unlocked with the detachable key blade. If the car is unlocked with the detachable key blade, the alarm will be triggered.