Folding the rear bench seat forwards
WARNING Risk of injury if the rear bench seat/rear seat and seat backrest are not engaged
If the rear bench seat/rear seat and seat backrest are not engaged they could fold forwards, e.g. when braking suddenly or in the event of an accident.
If this is the case, the vehicle occupant would be forced into the seat belt by the rear bench seat/rear seat or by the seat backrest. The seat belt cannot protect as intended and could result in additional injury.
Objects or loads in the boot/load compartment cannot be restrained by the seat backrest.
Make sure that the seat backrest and the rear bench seat/rear seat are engaged before every trip.
NOTE Damage to the seat backrests
The seat backrests may be damaged when the rear bench seat is folded forwards.
Fold the rear bench seat's cushion upwards before the rear seat backrest is folded forwards.
The left and right seat backrests can be folded forwards separately.
Fully insert the seat backrest head restraints More.
Fold the seat cushion upwards using the loop 
.
. 
Pull the release handle 
upwards until the seat backrest is completely unlocked.
upwards until the seat backrest is completely unlocked. Fold the seat backrest forwards.