Compass: Description and Operation

COMPASS MINI-TRIP COMPUTER
The Compass Mini-Trip Computer (CMTC) is integrated into the rear view mirror. The CMTC receives CCD Bus messages which contain some of the information necessary to provide the driver with direction of vehicle travel, current outside temperature, as well as the following traveler navigational information: average fuel economy, distance to empty, instant fuel economy, elapsed time and trip odometer. This information is available in standard or metric form where applicable.