Driving and operating 135ABS starts to regulate brake pressureas soon as a wheel shows a tendencyto lock. The vehicle remainssteerable, even during hard braking.ABS control is made apparentthrough a pulse in the brake pedaland the noise of the regulationprocess.For optimum braking, keep the brakepedal fully depressed throughout thebraking process, despite the fact thatthe pedal is pulsating. Do not reducethe pressure on the pedal.After starting off, the system performsa self-test which may be audible.Control indicator u 3 85.Fault9 WarningIf there is a fault in the ABS, thewheels may be liable to lock dueto braking that is heavier thannormal. The advantages of ABSare no longer available. Duringhard braking, the vehicle can nolonger be steered and mayswerve.You can continue driving, providedyou drive with care and anticipation.Have the cause of the fault remediedby a workshop.Parking brakeElectrical parking brakeApplying when vehicle is stationaryPull switch m, the electrical parkingbrake operates automatically withadequate force. For maximum force,e.g. parking with a trailer or oninclines, pull switch m twice.The electrical parking brake canalways be activated, even if theignition is off.Do not operate electrical parkingbrake system too often withoutengine running as this will dischargethe battery.Before leaving the vehicle, check theelectrical parking brake status.Control indicator m 3 85.ReleasingSwitch on ignition. Keep foot brakedepressed and then push switch m.If the foot brake is not depressedwhen attempting to release electricalparking brake, a warning chime willsound and control indicator -illuminates in the instrument cluster3 89.
