84 Instruments and controlsIlluminates with power steeringreducedPower steering is reduced due tooverheating of the system. Controlindicator extinguishes when thesystem has cooled down.Stop-start system 3 120.Illuminates with power steeringdisabledFailure in the power steering system.Consult a workshop.Illumination of c and asimultaneouslyPower steering system has to becalibrated, system calibration 3 127.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 3 131.Electronic Stability Controland Traction Controlsystemb flashes or illuminates yellow.FlashesThe system is actively engaged.Engine output may be reduced andthe vehicle may be brakedautomatically to a small degree.IlluminatesA fault in the system is present. Awarning message or warning codeappears in the Driver InformationCentre. Continued driving is possible.The system is not operational. Drivingstability, however, may deterioratedepending on road surfaceconditions.Have the cause of the fault remediedby a workshop.Electronic Stability Control 3 126,Traction Control system 3 126.Tyre pressure monitoringsystemw illuminates or flashes yellow.IlluminatesTyre pressure loss. Stop immediatelyand check tyre pressure.FlashesFault in system or tyre withoutpressure sensor mounted (e.g. sparewheel). After 60-90 seconds thecontrol indicator illuminatescontinuously. Consult a workshop.Tyre pressure monitoring system3 172.
