Instruments and controls 93■ Lighting, bulb replacement■ Wiper/washer system■ Doors, windows■ Radio remote control■ Seat belts■ Airbag systems■ Engine and transmission■ Tyre pressureWarning chimesWhen starting the engine or whilstdriving■ If seat belt is not fastened.■ If a door or the tailgate is not fullyclosed when starting off.■ If a certain speed is exceeded withparking brake applied.■ If a programmed speed isexceeded.■ If a warning message or a warningcode appears in the DriverInformation Center.■ If the parking assist detects anobject.When the vehicle is parked and/orthe driver's door is opened■ When the key is in the ignitionswitch.■ With exterior lights on.■ If the trailer hitch is not engaged.Traffic sign detectionFunctionalityThe traffic sign detection systemdetects designated traffic signs viaa front camera and displays them inthe Driver Information Center.Traffic signs, which will be detected,are■ speed limit signs■ no overtake signs■ end of speed limit signs■ end of no overtake signsSpeed limit signs are displayed in theDriver Information Center as long asthe next speed limit or end of speedlimit sign is detected.No overtake signs have priority abovespeed limits and are shown asa popup indication for approx.8 seconds in the Driver InformationCenter.Additional add-on signs, like snowflake, time-based limits and so on, willalso be displayed.