Hongqi HS7 Manual page 146

4-4..Filling.the.Fuel
Closing the fuel tank lid
■ Fuel type
Use.only.RON.95.and.above.unleaded.petrol.
■ Fuel tank capacity
About.75L.
When failing to open the filler cap
■
In. the. event. of. failure. to. open. the. filler. cap. due. to. low. battery. power. or. other.
reasons,.please.contact.the.FAW.authorized.Hongqi.Dealer.
144
When reinstalling the fuel tank lid, it
should be screwed until your hear a
"click".sound.