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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. Windshield Wipers
The windshield wiper lever is on the right side of the
steering column.
Move the lever to control the windshield wipers.
(Off): Turns the windshield
wipers off.
(Intermittent; Speed Sensitive
Wipers): For
intermittent or speed sensitive operation. The amount
of delay time varies betwee ...