Jeep 2004 Liberty - Manual (Page 213)

WARNING!
Remember to disconnect the cord before driving.
Damage to the 110-115 volt AC electrical cord could
cause electrocution.
Use the heater when temperatures below 0°F (-18°C) are
expected to last for several days.
TRANSMISSION SHIFTING
5-Speed Manual Overdrive Transmission
Follow the shift pattern on the gearshift knob.
NOTE: The backup lights will come on when your
vehicle is in R (Reverse) gear and the ignition is in the ON
position.
WARNING!
When parking your vehicle, always leave a manual
transmission in first gear and apply the parking
brake fully to guard against vehicle movement and
possible injury or damage. Never use any gear as a
substitute for the parking brake.
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