Chrysler PT Cruiser Owner's Manual page 272

270 STARTING AND OPERATING
winter months to reduce carbon monoxide emissions.
Fuels blended with these oxygenates may be used in
your vehicle.
CAUTION!
DO NOT use gasoline containing Methanol or E85
Ethanol. Use of these blends may result in starting
and drivability problems and may damage critical
fuel system components.
Problems that result from using methanol gasoline or E85
Ethanol blends are not the responsibility of the manufac-
turer. While MTBE is an oxygenate made from Methanol,
it does not have the negative effects of Methanol.
E-85 Usage In Non-Flex Fuel Vehicles
Non-FFV vehicles are compatible with gasoline contain-
ing 10% ethanol (E10). Gasoline with higher ethanol
content may void the vehicle's warranty.
If a Non-FFV vehicle is inadvertently fueled with E-85
fuel, the engine will have some or all of these symptoms:
operate in a lean mode
OBD II "Malfunction Indicator Light" on
poor engine performance
poor cold start and cold drivability
increased risk for fuel system component corrosion
To fix a Non-FFV vehicle inadvertently fueled once with
E-85 perform the following:
drain the fuel tank (see your authorized dealer)
change the engine oil and oil filter
disconnect and reconnect the battery to reset the
engine controller memory