See also:

Emission inspection and maintenance (I/M) progra
Some states have vehicle emission inspection programs which include OBD (On Board Diagnostics) checks. The OBD system monitors the operation of the emission control system.  - If the malfunc ...

Overview buttons and guidance screen
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Closing the fuel tank cap
After refueling, turn the fuel tank cap until you hear a click. Once the cap is released, it will turn slightly in the opposite direction. If the fuel filler door opener is inoperable The lever ...