2015 JEEP CHEROKEE Blend

Mode Control (Air Direction)
Mode control allows you to choose
from several patterns of air distribu-
tion. You can select either a primary
mode, as identified by the symbols, or
a blend of two of these modes. The
closer the control is to a particular
mode, the more air distribution you
receive from that mode.
Panel Mode
Air is directed through the outlets in the instru-
ment panel. These outlets can be adjusted to direct
airflow.
Bi-Level Mode
Air is directed through the panel and floor outlets.
NOTE:There is a difference in temperature (in any
conditions other than full cold or full hot), between the
upper and lower outlets for added comfort. The warmer
air goes to the floor outlets. This feature gives improved
comfort during sunny but cool conditions.
Floor Mode
Air is directed through the floor outlets with a
small amount through the defrost and side win-
dow demist outlets.
428 UNDERSTANDING YOUR INSTRUMENT PANEL

Mix Mode
Air is directed through the floor, defrost and side
window demist outlets. This setting works best in
cold or snowy conditions that require extra heat at the
windshield. This setting is good for maintaining comfort,
while reducing moisture on the windshield.
Defrost Mode
Air is directed through the windshield and side
window demist outlets. Use the DEFROST mode
with maximum blower and warm temperature settings
for best windshield and side window defrosting.
NOTE:The air conditioning compressor operates in MIX
and DEFROST, or a blend of these modes even if the A/C
button is not pushed. This dehumidifies the air to help
dry the windshield. To improve fuel economy, use these
modes only when necessary.
Recirculation Control
Push this button to choose between outside air intake or
recirculation of the air inside the vehicle. A LED will
illuminate when you are in Recirculation mode. Only use
the Recirculation mode to temporarily block out any
outside odors, smoke, or dust, and to cool the interior
rapidly upon initial start-up in very hot or humid
weather.
NOTE:
•If the RECIRCULATION button is pushed when the
system is in Defrost mode the Recirculation LED
indicator will flash three times and then turn off to
indicate Recirculation mode is not allowed.
•Continuous use of the Recirculation mode may make
the inside air stuffy and window fogging may occur.
Extended use of this mode is not recommended.
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UNDERSTANDING YOUR INSTRUMENT PANEL 429

▫Run Flat Tires — If Equipped.............558
▫Spare Tires — If Equipped...............558
▫Tire Spinning........................561
▫Tread Wear Indicators..................561
▫Life Of Tire.........................562
▫Replacement Tires.....................562
!TIRE CHAINS (TRACTION DEVICES).......564
!TIRE ROTATION RECOMMENDATIONS.....566
!TIRE PRESSURE MONITOR SYSTEM (TPMS) . .568
▫Base System.........................572
▫Premium System — If Equipped...........574
▫General Information...................579
!FUEL REQUIREMENTS..................579
▫Reformulated Gasoline.................580
▫Gasoline/Oxygenate Blends..............580
▫E-85 Usage In Non-Flex Fuel Vehicles.......581
▫MMT In Gasoline.....................582
▫Materials Added To Fuel................582
▫Fuel System Cautions...................583
▫Carbon Monoxide Warnings.............584
!FLEXIBLE FUEL (2.4L ENGINE ONLY) — IF
EQUIPPED...........................584
▫E-85 General Information...............584
▫Ethanol Fuel (E-85)....................586
▫Fuel Requirements....................586
▫Selection Of Engine Oil For Flexible Fuel Vehicles
(E-85) And Gasoline Vehicles.............587
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consistent gasoline specifications (the Worldwide Fuel
Charter, WWFC) which define fuel properties necessary
to deliver enhanced emissions, performance, and dura-
bility for your vehicle. The manufacturer recommends
the use of gasoline that meet the WWFC specifications if
they are available.
3.2L Engine
These engines are designed to meet all
emissions regulations and provide satisfac-
tory fuel economy and performance when
using high quality unleaded gasoline hav-
ing an octane range of 87 to 89. The manu-
facturer recommends the use of 89 octane premium
gasoline for optimum performance.
Light spark knock at low engine speeds is not harmful to
your engine. However, continued heavy spark knock at
high speeds can cause damage and should be reported to
your dealer immediately. Engine damage resulting from
operating with a heavy spark knock may not be covered
by the new vehicle warranty.
Reformulated Gasoline
Many areas of the country require the use of cleaner
burning gasoline referred to as “Reformulated Gasoline.”
Reformulated gasoline contain oxygenates and are spe-
cifically blended to reduce vehicle emissions and im-
prove air quality.
The manufacturer supports the use of reformulated gaso-
line. Properly blended reformulated gasoline will pro-
vide excellent performance and durability of engine and
fuel system components.
Gasoline/Oxygenate Blends
Some fuel suppliers blend unleaded gasoline with oxy-
genates such as Ethanol.
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CAUTION!
DO NOT use gasoline containing Methanol or gaso-
line containing more than 10% Ethanol. Use of these
blends may result in starting and drivability prob-
lems, damage critical fuel system components, cause
emissions to exceed the applicable standard, and/or
cause the “Malfunction Indicator Light” to illumi-
nate. Pump labels should clearly communicate if a
fuel contains greater than 10% Ethanol.
Problems that result from using gasoline containing
Methanol or gasoline containing more than 10% Ethanol
are not the responsibility of the manufacturer and may
not be covered under New Vehicle Limited Warranty.
E-85 Usage In Non-Flex Fuel Vehicles
Non-Flex Fuel Vehicles (FFV) are compatible with gaso-
line containing 10% ethanol (E10). Gasoline with higher
ethanol content may void the New Vehicle Limited
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).
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•Change the engine oil and oil filter.
•Disconnect and reconnect the battery to reset the
engine controller memory.
More extensive repairs will be required for prolonged
exposure to E-85 fuel.
MMT In Gasoline
Methylcyclopentadienyl Manganese Tricarbonyl (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. MMT is prohibited in Federal
and California 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.
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