See also:

Compass Variance
Compass Variance is the difference between Magnetic North and Geographic North. To compensate for the differences the variance should be set for the zone where the vehicle is driven, per the zon ...

Automatic Temperature Control (ATC) — If Equipped
Automatic Temperature Control ...

Occupant Restraint Controller (ORC)
The ORC is part of a Federally regulated safety system required for this vehicle. The ORC determines if deployment of the front and/or side air bags in a frontal or side collision is required. B ...