Install, Connect
Pull on upholstery over seat backrest, fasten with ring clips and commercially available ring clip pliers to retaining wires in seat backrest. Insert cross rod of upholstery up into guide. Attach upholstery underneath to cross rod. Push guide sleeves of headrest into opening.
In vehicle Model 73 - press on catch lever knob and panel of front seat backrest. Install front seat - see corresponding operation. Insert headrest in guide sleeve and engage.