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CHARACTERISTICS OF CNG
• CNG (Compressed Natural Gas) is
principally constituted by methane.
CNG is considered as clean burning
fuel. Due to low density of CNG, it is
compressed at a pressure of around
200 bars to enhance the vehicle
on-board storage capacity.
• Pure CNG has no colour and no smell.
Some additives are added for smell in
order to detect any gas leakage.
• Gaseous Propane is 1.5 times heavier
and butane is 2 times heavier than air.
• Volume of CNG increases more than
250 times when changed to gas from
liquid, so liquid state is easier for
transportation and storage.
• It is economical because consumption
of engine oil is lower and fuel cost is
less than others.
SAFETY PRECAUTIONS
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In order to get the best out of CNG
fuel, it is recommended that the engine
must be turned and regularly serviced,
both as regards the mechanical and the
electrical parts in addition to the routine
maintenance required by the vehicle
manufacturer.
• Please check fuel gauge on the cluster
for petrol availability in fuel tank
before you start the engine.
• Check/replace CNG fuel filter every
30,000 kms. Clean at every service.
• Always refer to HYUNDAI Owner’s
manual for trouble shooting and ‘Do It
Yourself Maintenance’.
• In case of any accident, get the vehicle
repaired through authorised HYUNDAI
dealer workshop only.
• For emergency handling of any CNG
leakage, user must be aware of the
location and operation of the Manual
shut off valve.
• CNG has a special odour to make
it easier to detect leakages. In case
of leakages, immediately close the
shut off valve & contact HYUNDAI
authorised dealer workshop for further
assistance.
• Ensure that while filling CNG in
the tank, the supply should cut off
automatically in and around 22 litre.
If it does not cut off, do not try to fill
more CNG.
• In case of replacement of any
component in CNG system, always
contact HYUNDAI authorised dealer
workshop.
• It is safe to carry a fire extinguisher in
your vehicle. Your CNG is equipped
with a fire extinguisher placed under
the front passenger’s seat.
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