See also:

Fuel cap
The indicator lamp lights up. If the fuel cap is not properly tightened, the OBD system may conclude that fuel vapor is escaping. If the cap is then tightened, the display should go out in a ...

Vehicle information
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The concept
This system projects important information into the driver's field of vision, e.g., navigation instructions. In this way, the driver can get information without averting his or her eyes from the ...