The tachometer displays the engine speed in revolutions per minute (rpm).
Notice: If the engine is operated with the tachometer in the shaded warning area, the vehicle could be damaged, and the damages would not be covered by the vehicle warranty.
Do not operate the engine with the tachometer in the shaded warning area.
Chevrolet Cobalt Owners Manual. Automatic Transmission Operation
If the vehicle has an automatic transmission, the shift
lever is located on the console between the seats.
There are several
different positions for the
automatic transmission.
P (Park): This position locks the front wheels. It is the
best position to use when starting the engine because
th ...