2010 Chevrolet Cobalt Owner's Manual - Page 157

The parking lamps automatically turn on and off when the fog lamps are turned on and off. The fog lamps will turn off while the high-beam headlamps are turned on. Some localities have laws that require the headlamps to be on along with the fog lamps. Dome Lamp The vehicle may have a dome lamp. Move the lever to the following positions: 9 (Off) : Turns the lamp off, even when a door is opened. 1 (Door) : Turns the lamp on whenever a door is opened. + (On) : Turns the dome lamp on. Instrument Panel Brightness The control for this feature is located on the instrument panel to the left of the steering wheel. Entry/Exit Lighting The lamps inside the vehicle will go on when any door is opened. These lamps fade out about 20 seconds after all of the doors have been closed or when the ignition is turned to ON/RUN. These lamps will also go on when pressing the trunk release, unlock symbol, or the horn symbol button on the Remote Keyless Entry System (RKE) Transmitter. After the key is removed from the ignition, the lamps inside the vehicle stay on for about 20 seconds to provide an illuminated exit. Turn the knob clockwise to brighten the lights or counterclockwise to dim the instrument panel lights, when the parking lamps or headlamps are on. Mirror Reading Lamps The vehicle may have reading lamps on the rearview mirror. Press the button near each lamp to turn the reading lamps on and off. 4-11