98 Instruments and controls■ Object detection systems■ Lighting, bulb replacement■ Wiper/washer system■ Doors, windows■ Radio remote control■ Seat belts■ Airbag systems■ Engine and transmission■ Tyre pressure■ Diesel particle filterVehicle messages on the Colour-Info-DisplaySome important messages appearadditionally in the Colour-Info-Display. Press the multifunction knobto confirm a message. Somemessages only pop-up for a fewseconds.Warning 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 assistantFunctionalityThe traffic sign assistant systemdetects designated traffic signs viaa front camera and displays them inthe Driver Information Center.Traffic signs, which will be detected,are:■ speed limit■ no passing■ end of speed limit■ end of no passingSpeed limit signs are displayed in theDriver Information Center until thenext speed limit sign or end of speedlimit is detected.