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

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

See also:

If the lamp illuminates while driving
(1) Since there will always be a possibility of the vehicle becoming unstable when brakes are applied rapidly, ensure that brakes are applied gently and that high– speed driving is not attempted ...

Fuel, engine coolant, oil and exhaust gas leakage
Look under the body of your vehicle to check for fuel, engine coolant, oil and exhaust gas leaks. WARNING If you see a suspicious fuel leak or if you smell fuel, do not operate the vehicle; call ...

Safety and disposal information for used engine oil
WARNING • Prolonged and repeated contact may cause serious skin disorders, including dermatitis and cancer. • Avoid contact with the skin as far as possible and wash thoroughly after any co ...