196 Vehicle careWasher fluidFill with clean water mixed with asuitable quantity of washer fluid whichcontains antifreeze. For the correctmixing ratio refer to the washer fluidcontainer.CautionOnly washer fluid with a sufficientantifreeze concentration providesprotection at low temperatures ora sudden drop in temperature.BrakesIn the event of minimum thickness ofthe brake lining, a squealing noisesounds during braking.Continued driving is possible buthave the brake lining replaced assoon as possible.Once new brake linings are installed,do not brake unnecessarily hard forthe first few journeys.Brake fluid9 WarningBrake fluid is poisonous andcorrosive. Avoid contact with eyes,skin, fabrics and painted surfaces.The brake fluid level must be betweenthe MIN and the MAX marks.Only use high-performance brakefluid approved for the vehicle, consulta workshop 3 237.BatteryThe vehicle battery is maintenance-free provided that the driving profileallows sufficient charging of thebattery. Short-distance-driving andfrequent engine starts can dischargethe battery. Avoid the use ofunnecessary electrical consumers.