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manufacturer. While MTBE is an oxygenate made from
methanol, it does not have the negative effects of metha-
nol.
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 octane number without
MMT. Gasoline blended with MMT reduces spark plug
life and reduces emissions system performance in some
vehicles. The manufacturer recommends that gasoline
without MMT be used in your vehicle. The MMT content
of gasoline may not be indicated on the gasoline pump,
therefore, you should ask your gasoline retailer whether
the gasoline contains MMT. It is even more important to
look for gasoline without MMT in Canada, because MMT
can be used at levels higher than those allowed in the
United States. MMT is prohibited in Federal and Califor-
nia reformulated gasoline.
Materials Added to Fuel
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 they would result in additional cost.
Therefore, you should not have to add anything to the
fuel.
Fuel System Cautions
CAUTION!
Follow these guidelines to maintain your vehicle’s
performance:
•The use of leaded gas is prohibited by Federal law.
Using leaded gasoline can impair engine performance
and damage the emissions control system.
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WARNING!
•Never have any smoking materials lit in or near
the vehicle when the gas cap is removed or the
tank filled.
•Never add fuel to the vehicle when the engine is
running.
•A fire may result if gasoline is pumped into a
portable container that is inside of a vehicle. You
could be burned. Always place gas containers on
the ground while filling.
NOTE:
•Tighten the gas cap until you hear a “clicking” sound.
This is an indication that the gas cap is tightenedproperly. The Malfunction Indicator Light in the in-
strument cluster may turn on if the gas cap is not
secured properly. Make sure that the gas cap is tight-
ened each time the vehicle is refueled.
•When the fuel nozzle “clicks” or shuts off, the fuel
tank is full.
Loose Fuel Filler Cap Message
If the vehicle diagnostic system determines that the fuel
filler cap is loose, improperly installed, or damaged, a
“Check Gascap” message will display in the Electronic
Vehicle Information Center (EVIC). If this occurs, tighten
the fuel filler cap properly and press the TRIP ODOM-
ETER button to turn off the message. If the problem
continues, the message will appear the next time the
vehicle is started.
A loose, improperly installed, or damaged fuel filler cap
may also turn on the Malfunction Indicator Light (MIL).
Refer to “Onboard Diagnostic System” in Section 7.
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Page 419 of 476
Cavity Car-
tridge
FuseMini-
FuseDescription
1 60 Amp
Yellow— Ignition Off Draw (IOD)
2 40 Amp
Green— Integrated Power Mod-
ule (IPM)
3———
4 40 Amp
Green— Integrated Power Mod-
ule (IPM)
5 30 Amp
Pink— Heated Seats - if
equipped
6 — 20 Amp
YellowFuel Pump
7 — 20 Amp
YellowSub Amp - if equippedCavity Car-
tridge
FuseMini-
FuseDescription
8 — 15 Amp
BlueDiagnostic Link Connec-
tor (DLC)/Wireless Con-
trol Module (WCM)/
Wireless Ignition Node
(WIN)
9 — 20 Amp
YellowPower Outlet
10 — — —
11*———
12*———
13*———
14 — 10 Amp
RedAC Heater Control/
Cluster/Security Mod-
ule - if equipped
15 — 20 Amp
YellowTrailer Tow Brake Mod-
ule - if equipped
MAINTAINING YOUR VEHICLE 417
7