Unlocking the tailgate using the key button

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

The tailgate is unlocked and can be opened from the outside.

The side doors remain locked and armed. The lock and alarm indicator on the dashboard will go out to indicate that the vehicle is no longer fully locked.

If the tailgate is not opened within 2 minutes, it will be relocked and the alarm armed.

Power tailgate*

Press and hold the key's P5-1646-x90-Remote key icon for trunk opening/closing button for a few seconds.
The tailgate will unlock and open. However, the side doors will remain locked and armed.

 Note

If the power tailgate system* has been working continuously for too long, it will be switched off to help prevent overheating. It can be used again after a few minutes.
  1. * Option/accessory.