The vehicle may have a dome lamp.
Move the lever to the following positions:
(Off): Turns the lamp off,
even when a door is
opened.
(Door): Turns the lamp on
whenever a door is
opened.
(On): Turns the dome lamp on.
Instrument Panel Brightness
Entry/Exit LightingChevrolet Cobalt Owners Manual. When It Is Time for New Tires
Various factors, such as maintenance, temperatures,
driving speeds, vehicle loading, and road conditions
influence when you need new tires.
One way to tell when it is
time for new tires is to
check the treadwear
indicators, which will
appear when your tires
have only 1/16 inch
(1.6 mm) or ...