28 Seats, steering wheel and mirror ›  Park position of rear seat belts Removing and inserting the rear headrests Removing › Partially fold the re- spective seat back for- wards. › Move the headrest up to the stop. › Press the safety button and remove the sup- port. › Attach the seat to the ISOFIX system retain- ing eyelets so that the eyelets snap into the recesses in the plastic caps. › Insert the headrest into the seat backrest. › Raise the backrest to one of the locked posi- tions. › Raise the backrest be- yond the highest locked position and fold it down again. › Move the headrest in the desired direction. Switch voice control on/off A Rotate  - Adjust the volume Press  - Switch the sound off/on Switch to the next track/station played Switch to the previous track/station played Show menu of assistance systems B Operate instrument cluster display » page 49 Front armrest Settings Park position of rear seat belts CAUTION Inserting The safety button must click into place. When inserting the seat, do not pull it under the re- taining eyelets of the ISOFIX system. There is a risk that the seat will be damaged and will engage incorrectly. Adjusting the height Folding down Headrests Adjusting the headrests Front headrests Steering wheel Buttons/dials on the multifunction steering wheel When pushing down, press and hold the safety button. Adjustment of the headrest heights is the same in the front and rear.