See also:

Stowage compartments in the rear
Stowage compartment in the rear seat armrest Do not sit or lean your bodyweight on the armrests when they are folded out as you could damage them. Close the cover of the stowage compartmen ...

Folding the rear seat backrest forward
Fully insert the backrest head restraints (). Move the driver's or front-passenger seat forward if necessary. Pull left-hand or right-hand release handle 2 of the seat backrest forwards. ...

Additives
Do not use any additives in the engine oil. This could damage the engine. ...