Interior light

Do not use the interior lights for extended periods when the engine is not running. It may cause battery discharge.

See also:

Parking Brake/ Low Brake Fluid Level Warning Light
CAUTION: If you suspect brake trouble, have your brakes checked by a Hyundai dealer as soon as possible. Driving your car with a problem in either the brake electrical system or brake hydraulic ...

Horn
Press the pad on the steering wheel to sound the horn. ...

Room lamp
To turn the room lamp ON or OFF, push the switch or lens. CAUTION Do not leave the lamp switches on for an extended period of time when the vehicle is not running. ...