Folding the rear bench seat forwards and backwards
WARNING Risk of accident and injury as a result of rear bench seat not being engaged
If the rear bench seat is not engaged, it may be flung around during travel.
Always make sure that the rear bench seat is engaged as described.
To ensure that the rear bench seat can securely engage, keep the seat guide rails and anchorages in the vehicle floor free of dirt and foreign objects.
If the indicator tab of the seat anchorage is not retracted into the seat leg, the seat is not correctly engaged. Engage the seat again.
WARNING Risk of becoming trapped due to the rear bench seat not being engaged
The rear bench seat will not engage when folded forward. The rear bench seat may inadvertently fold back while the vehicle is accelerating, braking or changing direction suddenly or in the event of an accident, for example.
People within the sweep of the rear bench seat may become trapped.
Always fold back a rear bench seat that has been folded forward before you start driving.
Ensure that the rear bench seat is engaged.
Remove the head restraints More.
Vehicles with luxury rear bench seat: fold the seat backrest forwards More.
Pull release handles 
for rear seat anchorage up.
for rear seat anchorage up. Grasp the rear bench seat by grab handles 
and fold the seat forwards.
and fold the seat forwards.