Jeep Liberty 2008 Owner's Manual page 410

4. Turn off the heater, radio and all unnecessary electrical
loads.
5. Connect one end of the jumper cable to the positive
battery post. Connect the other end of the same cable to
the positive terminal of the booster battery.
6. Connect the other cable, first to the negative terminal
of the booster battery and then to the engine ground of
the vehicle with the discharged battery. Make sure you
have a good contact on the engine ground.
WHAT TO DO IN EMERGENCIES 409
WARNING!
• You should not try to start your vehicle by pushing
or towing.
• Do not connect the cable to the negative post of the
discharge battery. The resulting electrical spark
could cause the battery to explode.
• During cold weather when temperatures are be-
low the freezing point, electrolyte in a discharged
battery may freeze. Do not attempt jump-starting
because the battery could rupture or explode. The
battery temperature must be brought up above the
freezing point before attempting jump-start.
7. If the vehicle is equipped with Sentry Key Immobi-
lizer, turn the ignition switch to the ON position for three
seconds before moving the ignition switch to the START
position.
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