See also:

Vehicle Info (Customer Information Features)
Press and release the UP or DOWN button until “Vehicle Info” displays in the EVIC and press the SELECT button. Press the UP and DOWN button to scroll through the available information display ...

Towing This Vehicle Behind Another Vehicle
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Loose Fuel Filler Cap Message
If the vehicle diagnostic system determines that the fuel filler cap is loose, improperly installed, or damaged, a gASCAP” message will display in the odometer or a “CHECK GASCAP” message ...