68 Seats, interiorHead restraintsAdjusting the front head restraints andrear outboard head restraints 3To adjust, press button on side and adjustheight.To fold down the backrests (see page 71)or improve visibility when the rear seats arenot occupied, remove the head restraintsor push them all the way down.If the seats are occupied, set heightaccording to body size.Adjusting the rear, centre headrestraint 3To adjust, pull the head restraint up orpress the catch to release. Then push thehead restraint down.To fold down the backrest (see page 71) orimprove visibility when the centre rear seatis not occupied, remove the head restraintor push it all the way down.If the seat is occupied, set height accordingto body size.Adjusting the rear head restraints 3,Astra TwinTopTo adjust, pull the head restraint up orpress the two catches to release. Then pushthe head restraint down.To improve visibility when the rear seatsare not occupied, push the head restraintsall the way down.If the seats are occupied, set heightaccording to body size.Do not place any objects on the coverbehind the head restraints or between thehead restraints and the anti-roll bars 3.