Instruments and controls 93Upshift[ illuminates green or is shown as asymbol in the Driver InformationCentre with Uplevel-Display whenupshifting is recommended for fuelsaving reasons.Variable effort steeringc illuminates yellow.Fault in variable effort steeringsystem. This may lead to a higher orlower steering effort. Consult aworkshop.Stop-start system 3 130.Ultrasonic parking assistr illuminates yellow.Fault in systemorFault due to sensors that are dirty orcovered by ice or snoworInterference due to external sourcesof ultrasound. Once the source ofinterference is removed, the systemwill operate normally.Have the cause of the fault in thesystem remedied by a workshop.Ultrasonic parking assist 3 143.Electronic Stability Controloffn illuminates yellow.The system is deactivated.Electronic Stability Controland Traction Controlsystemb illuminates or flashes yellow.IlluminatesA fault in the system is present.Continued driving is possible. Drivingstability, however, may deterioratedepending on road surfaceconditions.Have the cause of the fault remediedby a workshop.FlashesThe system is actively engaged.Engine output may be reduced andthe vehicle may be brakedautomatically to a small degree.Electronic Stability Control 3 141,Traction Control system 3 140.Traction Control system offk illuminates yellow.The system is deactivated.Preheating! illuminates yellow.Preheating is activated. Onlyactivates when outside temperatureis low.Diesel particle filter% illuminates or flashes yellow.The diesel particle filter requirescleaning.
