212  Fuel supply and filling  your  fuel  tank 
Detergent Gasoline,  please  go  to the  official 
websit e (www.toptiergas .com) . 
After an extended  period  of using  inadequate 
fuels,  built -up  carbon  deposits  can rob your 
engine  of  peak performance. 
CD Note 
Damage  or malfunction  due to  poor  fuel 
quality  is not  covered by the  Audi New Ve
hicle Limited  Warranty. 
Fuel  tank 
Fuel  filler  neck 
The fuel filler  neck is located  on the  right  rear 
side  panel  behind  the  fuel  fi ller flap. 
If  the power locking system  should  fail, you 
can st ill open  the  flap  manually  -for  detailed 
instructions  see¢ 
page 214 . 
You can find  the  fuel  t ank ca pa city of your ve
hicle in 
Technical  Data¢ page 270. 
The label  on the inside of the  fuel  filler flap 
tells  you the  correct  fuel  for your veh icle.  For 
more  inform ation  about  fuel  specifications, 
see 
¢page 210 . 
Your vehicle fuel  tank  has  an on-board  refuel
ling vapor  recovery system . This feature  helps 
to  preven t fuel  vapors from  escaping  from  the 
ta nk and  polluting  the environment  while you 
refuel  your vehicle . In order  to  fill the  tank 
properly while protect ing the  env ironment, 
p lease  follow this  refueling  procedure  careful
l y . 
& WARNING 
Under  normal  operating  conditions,  never 
carry add itiona l fuel  containers  in your car . 
Gas  canisters  and  other  containers  used  to 
transport  fuel  can  be dangerous. Such con
tainers,  full or  empty, may leak and  could 
cause  a f ire  in  a collision. If you must 
transport  fuel  to  use for your  lawn mower, 
snow  blower, etc ., be very careful  and  al 
ways observe  local and  state  laws  regard
ing  the  use,  transportation  and storage  of  such 
fuel containers . Make  certain  the  con
tainer  meets  industry standards  (ANSI/ 
ASTM  F852 -86). 
CD Note 
Never  drive your vehicle until  the  fue l tank 
is  completely  empty.  The  irregular supply 
of fue l can cause  misfir ing. Gasoline could 
enter  the  exhaust  system  and  damage the 
catalytic  converter . 
Refuelling 
Fig. 161 Righ t rea r v ehicle  s ide: Opening  th e fuel  filler 
flap 
Fig . 16 2 Fuel fille r flap  wit h  at tac hed  fuel  ca p 
When  act ivat ing the  central  locking,  the  fuel 
filler flap  is  automatically  unlocked or  locked. 
Refuel  the vehicle  with the  ignition  turned 
off. 
Taking  the  fuel  cap  off 
.,.  Turn off the  igni tion . 
.,.  Press the  left side of the  fuel  filler f lap to 
open  it¢ 
fig. 161 -arrow -. 
.,.  Unscrew fue l cap  counter-clockwise  and 
hang  it on the  fue l filler flap 
¢ fig . 162.