Chrysler 2009 PT Cruiser - Owner Manual - Manual (Page 233)

NOTE: If a malfunction occurs, the system will trap the
key in the ignition cylinder to warn you that this safety
feature is inoperable. The engine can be started and
stopped but the key cannot be removed until you obtain
service.
Four-Speed Automatic Transaxle
NOTE: Under extreme cold temperatures (-6°F (-21°C)
and when in DRIVE, transmission operation may be
briefly limited to only second gear operation. Normal
operation will resume once the transmission temperature
has risen to a suitable level.
The electronically-controlled transaxle provides a precise
shift schedule. The transaxle electronics are self-
calibrating; therefore, the first few shifts on a new vehicle
may be somewhat abrupt. This is a normal condition, and
precision shifts will develop within a few shift cycles.
RESET Mode
The transaxle is monitored electronically for abnormal
conditions. If a condition is detected that could cause
damage, the transaxle shifts automatically into second
gear. The transaxle remains in second gear despite the
forward gear selected. PARK, REVERSE, and NEUTRAL
will continue to operate. This second gear limp-in feature
allows the vehicle to be driven to an authorized dealer for
service without damaging the transaxle.
In the event that the problem has been momentary, the
transaxle can be reset to regain all forward gears:
1. Stop the vehicle and move the shift lever into PARK.
2. Turn the ignition to OFF then restart the engine.
3. Move the shift lever into DRIVE and resume driving.
4. If the transaxle cannot be reset, authorized dealer
service is required.
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STARTING AND OPERATING 231