Jeep 2006 Wrangler - Manual (Page 191)

R (Reverse)
For moving the vehicle rearward. Always stop before
moving the lever to R (Reverse), except when rocking the
vehicle.
N (Neutral)
Engine may be started in this position.
NOTE: Towing the vehicle, coasting, or otherwise driv-
ing with the transmission in N (Neutral) can cause severe
damage to the transmission.
WARNING!
Do not coast in N (Neutral) and never turn off the
ignition to coast down a hill. These are unsafe
practices that limit your response to changing traffic
or road conditions. You might lose control of the
vehicle.
Overdrive (O/D)
For most city and highway driving. The transmission
contains an electronically controlled Overdrive, and will
automatically shift from D (Drive) to O/D (Overdrive) if
the following conditions are present:
• The transmission selector is in D (Drive).
• The O/D OFF switch has not been activated.
• Vehicle speed is above approximately 30 mph (48
km/h).
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