150 Vehicle careVehicle careGeneral Information ................... 150Vehicle checks ........................... 151Bulb replacement ....................... 157Electrical system ........................ 164Vehicle tools .............................. 169Wheels and tyres ....................... 171Jump starting ............................. 187Towing ....................................... 189Appearance care ....................... 191General InformationAccessories and vehiclemodificationsWe recommend the use of genuineparts and accessories and factoryapproved parts specific for yourvehicle type. We cannot assess orguarantee reliability of other products- even if they have a regulatory orotherwise granted approval.Do not make any modifications to theelectrical system, e.g. changes ofelectronic control units (chip tuning).CautionWhen transporting the vehicle ona train or on a recovery vehicle, themud flaps might be damaged.Vehicle storageStorage for a long period of timeIf the vehicle is to be stored for severalmonths:■ Wash and wax the vehicle.■ Have the wax in the enginecompartment and underbodychecked.■ Clean and preserve the rubberseals.■ Fill up fuel tank completely.■ Change the engine oil.■ Drain the washer fluid reservoir.■ Check the coolant antifreeze andcorrosion protection.■ Adjust tyre pressure to the valuespecified for full load.■ Park the vehicle in a dry, wellventilated place. Engage first orreverse gear. Prevent the vehiclefrom rolling.■ Do not apply the parking brake.