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.
Chevrolet Cobalt Owners Manual. Boost Gauge
United States
Canada
If equipped, this gauge is located near the driver side of
the instrument panel cluster.
This gauge indicates vacuum during light to moderate
throttle and boost under heavier throttle.
This gauge displays the air pressure level in the intake
manifold before it enters ...