All gasoline sold in the United States is required to contain effective detergent additives. Use of additional detergents or other additives is not needed under normal conditions and would result in additional cost. Therefore you should not have to add anything to the fuel.
See also:
Change Engine Oil Indicator System
Change Engine Oil
Your vehicle is equipped with an engine oil change indicator system. The “Change
Engine Oil” message will flash in the EVIC display for approximately 10 seconds
after a single c ...
Rubber tubing
Follow the “Service Schedule” to the letter as concerns braking and fuel line
rubber tubing. Ozone, high temperatures and long absence of fluid in the system
can in fact cause the hardening and cr ...
Engine
GENERAL FEATURES
(*) For specific markets where applicable
FUEL SUPPLY/IGNITION
Petrol versions
Electronic Multipoint sequential phased injection integrated with ignition,
return less
syst ...