Opening/closing the sliding door from inside
WARNING Risk of becoming trapped due to sliding door opening towards the rear
When you open the sliding door, the sliding door could hit other people as it moves towards the rear of the vehicle.
Only open the sliding door when traffic conditions permit.
Opening
The sliding door is equipped with an active retainer, which engages when the door is opened as far as it will go.
Pull back rocker switch 
. If the sliding door is locked, locking pin 
pops up.
. If the sliding door is locked, locking pin pops up. The sliding door unlocks and opens.
Push back the sliding door using door handle 
until it engages.
until it engages. Check the sliding door catch.
Closing
Push rocker switch forwards.
forwards. The sliding door is released from its catch.
Push the sliding door forwards using door handle and close it.
and close it.