See also:

Manual Compass Calibration
If the compass appears erratic and the “CAL” indicator does not appear in the EVIC display, you must put the compass into the Calibration Mode manually as follows: 1. Start the engine. Leave ...

Compass Variance
Refer to “Compass Display” for more information. ...

Materials Added To Engine Oil
Do not add any supplemental additives, other than leak detection dyes, to your engine oil. Engine oil is an engineered product and its performance may be impaired by supplemental additives. ...