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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 the engine's combustion chamber.
This gauge is automatically centered at zero every time the engine is started. Actual vacuum or boost is displayed from this zero point. Changes in ambient pressure, such as driving in mountains and changing weather, will slightly change the zero reading.
Fuel Gauge
Reconfigurable Performance Display (RPD)Chevrolet Cobalt Owners Manual. Interior Lighting
Dome Lamp
The vehicle may have a dome lamp.
Move the lever near the dome lamp to the following
positions:
: Turns the lamp off, even
when a door is opened.
: Turns the lamp on whenever a
door is opened.
: Turns the dome lamp on.
Mirror Reading Lamp
The vehicle may have reading lamps on t ...