Opel COMBO Owner's Manual page 123

To refuel, fully insert the pump nozzle
and switch it on.
After the automatic cut-off, the fuel
tank can be topped up with a
maximum of two doses of fuel.
Caution
Wipe off any overflowing fuel
immediately.
To close, replace fuel filler cap and
turn clockwise.
Insert key into fuel filler cap and turn
clockwise to lock, then remove key.
Close the fuel filler flap.
Natural gas refuelling
Open the fuel filler flap.
9 Warning
Refuel only with a maximum
output pressure of 250 bar. Use
only temperature compensated
filling stations.
The refuelling procedure must be
completed, i.e. the filler neck must be
vented.
Driving and operating
The capacity of the natural gas tank
depends on outside temperature,
filling pressure and type of refuelling
system.
Close the fuel filler flap after
refuelling.
Terms for "natural gas vehicles"
abroad:
German Erdgasfahrzeuge
English NGVs = Natural Gas Vehi‐
cles
French Véhicules au gaz naturel –
or – Véhicules GNV
Italian Metano auto
Terms for "natural gas" abroad:
121