Anti-Knock must  be 87 or high er. 
Blend  must contain no more  than 3%  methanol. 
Blend  must contain  more  than  2% co-solvents. 
Blends of gasoline and ethanol  (grain alcohol or ethyl alcohol): 
Anti-Knock 
Blend must contai n no  more  than 
Anti-Knock must be 87 or higher. 
Blen d mus t contain no more  than 15%  MTBE. 
Many  fuels are  blended  especially  for winter or 
s ummer condi tions.  Whe n seasons  change, wagen suggests  that you buy fuel  at busy  statio ns 
where  the seasonal  adjustment  is more  likely  to  be 
made  earlier. 
away vehicle condition. 
above  may cause corrosion and may  damage plastic and rubber parts 
on  page  219 . 
Addit ives  are used  to  impro ve  th e  quali ty  of the 
gaso lin e. 
Fuel  quality  impacts  th e  operating  performance, ficiency  and service li fe  of  the  engine.  Therefore, 
use  quality  gaso line with  blended  additives  by the 
fuel  supplier.  The additives  provide  corrosion 
tect ion,  clean  the fuel  system , and  preven t its on  the  engi ne. 
whether  a particular fuel blend meets the criteria  above, ask your ice station or its fuel  supplier. 
assist sponsibility of and are not covered under the Emis sion warranties or any other 
Even a  single  tank of  leaded  fuel can  do major  damage to the cata lytic conve rter  and 
degrade  its effectiveness in reducing  pollutin g 
emissions . 
bilit y a nd  perfo rmance  problems  using one of these  fuel blends , we  recommend that  you  switch 
to  unble nded  fuel.  Neve r use  fuel  line antifree ze of-
fer ed  for  gasoline  engines. 
Volksw agen recommends Dete rgent 
Gasol ine. Fo r more  information  on 
quired additives  while refueling. 
Not 
gaso line  additives  are eff ective. 
sive  damage  to  the  engine and the cata lytic verter . N eve r  use  additives  that contain  metal. 
Please  note that meta l can  be included  in  some  af-
termarket  gasoline  addi
tives that  are  available to  
be added to 
tane  rating. 
Volkswagen  rec om m ends  using  onl y additives proved by Volkswa gen. App ropriate  additives  as as instructio ns on how  to use them  are 
thorized  Volkswagen  Service Fac ilit y .  Do  no t a d d 
any  other 
of the rpm 
range and with engine Avoid high rpm  and heavy  engine Otherwise,  the 
that is at the pump as containing Lead  replacement  fuel contains high concentrations of 
ed or that contains other tives can  affect the performance of the catalytic converter and cause  extensive  damage to it. 
At the gas  station 221