Maintaining Your Vehicle
Jeep Wrangler / Jeep Wrangler Owner's Manual / Maintaining Your Vehicle
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MMT In Gasoline
MMT is a manganese containing metallic additive that is
blended into some gasoline to increase octane. Gasoline
blended with MMT provides no performance advantage
beyond gasoline of the same oct ...
Loose Fuel Filler Cap Message
If the vehicle diagnostic system determines that the fuel
filler cap is loose, improperly installed, or damaged, a
gASCAP” message will display in the odometer or a
“CHECK GASCAP” message ...
Oil Change Required
Your vehicle is equipped with an engine oil change indicator system. The “Oil
Change Required” message will flash in the EVIC display for approximately 10 seconds
after a single chime has soun ...


