20 Keys, doors and windowsKey with fixed key sectionOpen the unit with a small screwdriverin the notch on the cover. Replace thebattery (battery type CR2032), payingattention to the installation position.Close the unit.Central locking systemUnlocks and locks doors, loadcompartment and fuel filler flap.A pull on an interior door handleunlocks the respective door. Pullingthe handle once more opens the door.NoteIn the event of an accident in whichairbags or belt pretensioners aredeployed, the vehicle isautomatically unlocked.UnlockingPress button q.NoteIf no door is opened within5 minutes after the vehicle has beenunlocked, the vehicle is relockedautomatically (and the anti-theftalarm is reactivated).When button q is pressed, theinstrument panel illuminates forapprox. 30 seconds or until ignitionswitch is turned to position ACC.LockingClose doors, load compartment, fuelfiller flap, bonnet, windows andsunroof.Press button p.The central locking system can beactivated with the windows open.