Standard Procedure - Compass Calibration

The electronic compass unit features a self-calibrating design, which simplifies the calibration procedure. This feature automatically updates the compass calibration while the vehicle is being driven. This allows the compass unit to compensate for small changes in the residual magnetism that the vehicle may acquire during normal use. If the compass readings appear to be erratic or out of calibration, perform the following calibration procedure. Also, new CMTC Modules must have their compass calibrated using this procedure. Do not attempt to calibrate the compass near large metal objects such as other vehicles, large buildings, or bridges; or, near overhead or underground power lines.

Calibrate the compass manually as follows:

1. Turn the ignition switch to the On position. If the compass/thermometer data is not currently being displayed, momentarily depress and release the STEP push button to reach the compass/thermometer display.
2. Depress the Reset push button and hold the button down until "CAL" appears in the cluster display. This takes about ten seconds, and appears about five seconds after "VAR = XX" is displayed.
3. Release the push button(s).
4. Drive the vehicle on a level surface, away from large metal objects and power lines, through three or more complete circles at between five and eight kilo-meters-per-hour (three and five miles-per-hour) in not less than 48 seconds. The "CAL" message will disappear from the display to indicate that the compass is now calibrated.