PT Cruiser L4-2.4L Turbo VIN G (2004)
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CAL is displayed.
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Drive slowly, less than 5 mph (8 kph) in 3 complete 360 degree circles.
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CAL will stay illuminated to alert the driver that the Compass/Temperature Module is in the calibration mode.
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After calibration, the CAL will turn off.
Auto Calibration Mode
During normal vehicle operation, the Compass/Temperature Module will continuously update the compass calibration to compensate for changes in
the vehicle's magnetic field. If the Compass/Temperature Module appears to be "locked-up" or the compass displays false indications, the vehicle may
need to be demagnetized. Refer to Demagnetizing Procedure.