92 Instruments and controlsBrake and clutch systemR illuminates red.The brake and clutch fluid level is toolow, when manual parking brake isnot applied 3 193.9 WarningStop. Do not continue yourjourney. Consult a workshop.Illuminates when the manual parkingbrake is applied and ignition isswitched on 3 149.Operate pedal- illuminates or flashes yellow.IlluminatesClutch pedal must be depressed tostart the engine in Autostop mode.Stop-start system 3 135.FlashesClutch pedal must to be depressed fora main start of the engine 3 17,3 134.On some versions, the operate pedalmessage is indicated in the DriverInformation Display 3 102.Antilock brake system(ABS)u illuminates yellow.Illuminates for a few seconds after theignition is switched on. The system isready for operation when the controlindicator extinguishes.If the control indicator does not go outafter a few seconds, or if it illuminateswhile driving, there is a fault in theABS. The brake system remainsoperational but without ABSregulation.Antilock brake system 3 148.Gear shiftingR with the number of the next highergear is indicated, when upshifting isrecommended for fuel savingreasons.Power steeringc illuminates yellow.Illuminates with power steeringdisabledFailure in the power steering system.Consult a workshop.Illumination of c and bsimultaneouslyPower steering system must becalibrated, system calibration 3 152.Lane departure warning) illuminates green or flashes yellow.Illuminates greenSystem is switched on and ready tooperate.Flashes yellowSystem recognises an unintendedlane change.Lane departure warning 3 175.