You can help to improve database accuracy by reporting any errors you encounter.
• Report errors in freeways and main “verified” roads shown in black on the map at http://mapreporter.navteq.com/ dur-web-external/.
• Please do not report errors in purple “unverified” roads. Maps for these areas are provided for reference only.
• Please do not report errors in places/ landmarks, such as changes in business names. Information about points of interest are constantly being updated.
An updated database is available for purchase, usually in the fall of each year.
• For vehicle position icon errors, screen error messages, or other GPS-related errors:
Fluid Locations
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Accessories
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Fuel and Emissions System Description - Electronic Control System
Electronic Control Systems
The functions of the fuel and emission control systems are managed by the
engine control module (ECM) on vehicles with manual transmissions or the
powertrain cont ...