2020 JEEP GRAND CHEROKEE TRAILHAWK Owners Manual

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21_WK_OM_EN_USC_t.book Page 95

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Prolonged driving with the MIL on could
cause further damage to the emission
control system. It could also affect fuel
economy and driveability. The vehicle must
be serviced before any emissions tests can
be performed.
If the MIL is flashing while the vehicle is
running, severe catalytic converter damage
and power loss will soon occur. Immediate
service is required.
WARNING!
ONLY an authorized service technician
should connect equipment to the OBD II
connection port in order to read the VIN,
diagnose, or service your vehicle.
If unauthorized equipment is connected to
the OBD II connection port, such as a
driver-behavior tracking device, it may:
Be possible that vehicle systems,
including safety related systems, could
be impaired or a loss of vehicle control
could occur that may result in an acci-
dent involving serious injury or death.
Access, or allow others to access, infor -
mation stored in your vehicle systems,
including personal information.
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Before exiting a vehicle, always come to a
complete stop, then shift the automatic
transmission into PARK and apply the
parking brake.
Always make sure the keyless ignition node
is in the OFF mode, key fob is removed from
the vehicle and vehicle is locked.
Never leave children alone in a vehicle, or
with access to an unlocked vehicle. Leaving
children in a vehicle unattended is
dangerous for a number of reasons. A child
or others could be seriously or fatally
injured. Children should be warned not to
touch the parking brake, brake pedal or the
gear selector.
WARNING! (Continuedyf
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W$5N,N*
Driver inattention could lead to failure to
place the vehicle in PARK. ALWAYS DO A
VISUAL CHECK that your vehicle is in PARK
by verifying that a solid (not blinkingyf

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IF ENGINE FAILS TO START
If the engine fails to start after you have
followed the "Normal Starting" or "Extreme Cold
Weather" procedure, it may be flooded. Push
the accelerator pedal all the way to the floor and
hold it there. Crank the engine for no more than 15 seconds. This should clear any excess fuel in
case the engine is flooded. Leave the ignition
key in the RUN position, release the accelerator
pedal and repeat the “Normal Starting”
procedure.
COLD WEATHER OPERATION (BELOW
–22°F O
R −30°Cyf
To ensure reliable starting at these
temperatures, use of an externally powered
electric engine block heater (available from an
authorized dealeryfLVUHFRPPHQGHG.
AFTER STARTING
The idle speed is controlled automatically, and
it will decrease as the engine warms up.
ENGINE B\f