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 ...

Tire Identification Number (TIN)
The TIN may be found on one or both sides of the tire, however, the date code may only be on one side. Tires with white sidewalls will have the full TIN, including the date code, located on the ...

Reception Quality
Satellite reception may be interrupted due to one of the following reasons: • The vehicle is parked in an underground parking structure or under a physical obstacle. • Dense tree coverage may ...