Compass Zone
The zone is set to zone eight upon leaving the factory. Your dealer will set the correct zone for your location.
Under certain circumstances, such as during a long distance cross-country trip or moving to a new state or province, it will be necessary to compensate for compass variance by resetting the zone through the DIC if the zone is not set correctly.
Compass variance is the difference between the earth's magnetic north and true geographic north.
If the compass is not set to the zone where you live, the compass may give false readings. The compass must be set to the variance zone in which the vehicle is traveling.
To adjust for compass variance, use the following procedure:
See also:
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Comprehensive safety system
The GMC Acadia has a comprehensive safety system that is designed to protect
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independent suspension system enhance ...
Transmission
Electronic Range Select (ERS) Mode
ERS mode allows you to choose the top-gear limit of the transmission and the vehicle's speed while driving downhill or towing a trailer.
The vehicle has an electro ...