Unlocking the boot lid with a key button

There is a button on the key to unlock the boot lid only.
16w17 - SPA - Unlock/open tailgate with remote key button
Press the key's P5-1646-x90-Remote key icon for trunk opening/closing button.

The boot lid 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.

You can open the boot lid by gripping the rubberised pressure plate underneath its lower edge.

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

Power operated boot lid*

Hold the key's P5-1646-x90-Remote key icon for trunk opening/closing button depressed for a couple of seconds.
The boot lid opens mechanically while the side doors remain locked and their alarm functions armed*.
  1. * Option/accessory.