Automatically switching over from natural gas mode to petrol mode
The vehicle automatically switches from natural gas to petrol, for example, if one of the following cases occurs.
› With an empty gas tank or not enough pressure in the tank.
› After refuelling with natural gas.
› At very low surrounding temperatures.
Gas smell
If you smell gas proceed as follows.
› Stop the vehicle.
› Put out cigarettes.
› Switch off the ignition.
› Open doors and the boot lid to ventilate the vehicle sufficiently.
› Remove any spark producing or incendiary items from the car and immedi-
ately switch off.
› Do not continue if the odour persists.
Seek help from a specialist garage to correct the gas system fault.
Regular gas system checks must be carried out in a specialist workshop on
natural gas-powered vehicles.WARNINGWhen operating a CNG-powered vehicle, the national legal requirements
must be observed.WARNINGDo not underestimate the smell of gas in the car or when refuelling - it may
result in fire, explosion and injury.
Engine compartment
Introduction
This chapter contains information on the following subjects:
Opening and closing the bonnet
108
Engine compartment overview
109
Radiator fan
109
Windscreen washer system
109WARNINGInjuries or scolding or risks of accident or fire may occur when working in
the engine compartment. For this reason, it is essential to comply with the
warning instructions outlined below and with the general applicable safety
rules. The engine compartment of your car is a hazardous area!WARNINGInstructions before beginning work in the engine compartment■Turn off the engine and withdraw the ignition key.■
Firmly apply the handbrake.
■
For vehicles with manual transmission the lever into the neutral position.
■
For vehicles with automated manual transmission, shift the lever to posi-
tion N.
■
Allow the engine to cool.
■
Never open the bonnet if you can see steam or coolant escaping from the
engine compartment – risk of scalding! Wait until no more steam or coolant
is escaping.
WARNINGInformation for working in the engine compartment■Keep all people, especially children, away from the engine compartment.■
Never touch the radiator fan while the engine is still warm. The fan might
suddenly start running!
■
Do not touch any hot engine parts – risk of burns!
WARNINGInformation for working in the engine compartment with the engine run-
ning■
Pay particular attention to moving engine parts, e.g. V-ribbed belt, gener-
ator, radiator fan - danger to life!
■
Never touch the electric wiring on the ignition system.
■
Avoid short circuits in the electrical system – particularly on the vehicle's
battery.
■
Always make sure that no jewellery, loose clothing or long hair can get
caught in rotating engine parts – risk to life! Always remove any jewellery,
tie back long hair and wear tight fitting clothing before completing any
work.
107Inspecting and replenishing
