Jeep Wrangler 2020 Owner's Manual page 343

Ignition Park Interlock
This vehicle is equipped with an Ignition Park Interlock
which requires the transmission to be in PARK before the
ignition can be turned to the OFF mode. This helps the driver
avoid inadvertently leaving the vehicle without placing the
transmission in PARK. This system also locks the transmis-
sion in PARK whenever the ignition is in the OFF mode.
NOTE:
The transmission is NOT locked in PARK when the ignition
is in the ACC mode (even though the engine will be off).
Ensure that the transmission is in PARK, and the ignition is
OFF (not in ACC mode) before exiting the vehicle.
Brake/Transmission Shift Interlock System
This vehicle is equipped with a Brake Transmission Shift
Interlock system (BTSI) that holds the transmission gear
selector in PARK unless the brakes are applied. To shift the
transmission out of PARK, the engine must be running and
the brake pedal must be pressed. The brake pedal must also
be pressed to shift from NEUTRAL into DRIVE or REVERSE
when the vehicle is stopped or moving at low speeds.
Eight–Speed Automatic Transmission
The transmission gear range (PRNDM) is displayed both
beside the gear selector and in the instrument cluster. To
select a gear range, press the lock button on the gear selector
and move the selector rearward or forward. To shift the
transmission out of PARK, the engine must be running and
the brake pedal must be pressed. You must also press the
brake pedal to shift from NEUTRAL into DRIVE or
REVERSE when the vehicle is stopped or moving at low
speeds. Select the DRIVE range for normal driving.
NOTE:
In the event of a mismatch between the gear selector position
and the actual transmission gear (for example, driver selects
PARK while driving), the position indicator will blink
continuously until the selector is returned to the proper posi-
tion, or the requested shift can be completed.
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