HeaterHeater  - For pleasant driving - Mitsubishi Lancer Owner's Manual - Mitsubishi Lancer

The heater can only be used while the engine is running.

See also:

Parking with the engine running
Never leave the engine running while you take a short sleep/rest, or you open or close a gate or garage door, etc. Also, never leave the engine running in a closed or poorly ventilated place. Wa ...

Outside rear-view mirrors
To adjust the mirror position The outside rear-view mirrors can be operated when the ignition switch or the operation mode is in ON or ACC. WARNING • Do not attempt to adjust the rear-view mir ...

2013 Mitsubishi Lancer Review
In a segment defined by value and gas mileage, the sporty Lancer GT doesn't cut it against its best competitors — or even against the average ones. Though you wouldn't know just by looking, the ...