Brief press on the button on the key.

The tailgate is unlocked but remains closed.

The side doors are still locked and the alarm is armed. The lock and alarm indicator on the instrument panel extinguishes in order to show that the entire car is not locked.

If the tailgate is not opened within approximately 2 minutes then it is relocked and the alarm is re-armed.

Long press on the button on the key.

The tailgate is unlocked and opened, while the side doors remain locked and their alarm functions armed.