User Manual - Page 181

For 2018 JEEP WRANGLER.

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WARNING!
Never have any smoking materials lit in
or near the vehicle when the fuel door is
open or the tank is being filled.
Never add fuel when the engine is run-
ning. This is in violation of most state
and federal fire regulations and may
cause the “Malfunction Indicator Light”
to turn on.
A fire may result if fuel is pumped into a
portable container that is inside of a
vehicle. You could be burned. Always
place fuel containers on the ground
while filling.
CAUTION!
Damage to the fuel system or emission
control system could result from using
an improper fuel filler cap. A poorly
fitting cap could let impurities into the
fuel system. Also, a poorly fitting after-
market cap can cause the “Malfunction
Indicator Light (MIL)” to illuminate, due
to fuel vapors escaping from the system.
To avoid fuel spillage and overfilling, do
not “top off” the fuel tank after filling.
NOTE:
When the fuel nozzle “clicks” or shuts off,
the fuel tank is full.
Tighten the fuel filler cap about 1/4 turn
until you hear one click. This is an indica-
tion that the cap is properly tightened.
If the fuel filler cap is not tightened prop-
erly, the MIL will come on. Be sure the cap
is tightened every time the vehicle is
refueled.
Loose Fuel Filler Cap Message
After fuel has been added, the vehicle diag-
nostic system can determine if the fuel filler
cap is possibly loose, improperly installed, or
damaged. If the system detects a malfunc-
tion, the “gASCAP” message will display in
the odometer display. Tighten the gas cap
until a "clicking" sound is heard. This is an
indication that the gas cap is properly tight-
ened. Push the odometer reset button to turn
the message off. If the problem persists, the
message will appear the next time the vehicle
is started. This might indicate a damaged
cap. If the problem is detected twice in a row,
the system will turn on the MIL. Resolving the
problem will turn the MIL off.
179
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