NOTE:
• Tighten the gas cap until you hear a “clicking”
sound. This is an indication that the gas cap is
tightened properly. The MIL in the instrument
cluster may turn on if the gas cap is not
secured properly. Make sure that the gas cap
is tightened each time the vehicle is refueled.
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
will display in the instrument cluster. If this
occurs, tighten the fuel filler cap properly and
press the Trip Odometer button to turn off the
message. If the problem continues, the mes-
sage will appear the next time the vehicle is
started.
A loose, improperly installed, or damaged fuel
filler cap may also turn on the MIL.
Materials Added To Fuel
Designated TOP TIER
Detergent Gasoline con-
tains a higher level of
detergents to further
aide in minimizing en-
gine and fuel system de-
posits. When available,
the usage of TOP TIER
Detergent gasoline is recommended. Visit
www.toptiergas.com for a list of TOP TIER De-
tergent Gasoline Retailers.
Indiscriminate use of fuel system cleaning
agents should be avoided. Many of these mate-
rials intended for gum and varnish removal may
contain active solvents or similar ingredients.
These can harm fuel system gasket and dia-
phragm materials.
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