20 Keys, doors and windowsRadio remote controlUsed to operate:■ Central locking system,■ Anti-theft locking system,■ Anti-theft alarm system,■ Power windows.The radio remote control has a rangeof approx. 5 metres (16 ft). This rangecan be affected by outside influences.The hazard warning flashers confirmoperation.Handle with care, protect it frommoisture and high temperatures andavoid unnecessary operation.FaultIf the central locking system cannotbe operated with the radio remotecontrol, it may be due to the following:■ Range exceeded,■ Battery voltage too low,■ Frequent, repeated operation of theradio remote control while not inrange, which will require re-synchronisation,■ Overload of the central lockingsystem by operating at frequentintervals, the power supply isinterrupted for a short time,■ Interference from higher-powerradio waves from other sources.Unlocking 3 21.Radio remote control batteryreplacementReplace the battery as soon as therange reduces.Batteries do not belong in householdwaste. They must be disposed of atan appropriate recycling collectionpoint.Key with foldaway key sectionExtend the key and open the unit.Replace the battery (battery type CR2032), paying attention to theinstallation position. Close the unitand synchronise.Key with fixed key sectionHave the battery replaced bya workshop.