Service plan, maintenance 137A note on safetyTo avoid the possibility of injury, only carryout engine compartment checks (e.g.checking the brake fluid level or the engineoil level) when the ignition is switched off.Never carry out any repairs or adjustmentand maintenance work on the vehicleyourself. This especially applies to theengine, chassis and safety parts. You mayout of ignorance infringe the provisions ofthe law and, by not performing the workproperly, you may endanger yourself andother road users.Checking and topping up fluidsTo aid identification, the engine oil fillercap, the coolant expansion tank cap, thelid of the fluid container for the windscreenwash system and the handle of the oildipstick may be coloured yellow. Oil filler funnelTo assist in topping up the engine oil thevehicle is supplied with an oil filler funnel toprevent the unnecessary spillage of oil.The oil filler funnel is located beneath thedriver’s seat. After use, ensure the itemsare cleaned and stowed beneath thedriver’s seat.Further information - see page 139.9 WarningThe cooling fan may be operated by athermoswitch and can therefore start tooperate unexpectedly even when theignition is switched off. Risk of injury.Electronic ignition systems generate veryhigh voltages. Do not touch the ignitionsystem; high voltage can be fatal.