For vehickes with a convenience net, it is located in the rear. Use it to store small loads as far forward as possible. The net should not be used to store heavy loads.
Chevrolet Cobalt Owners Manual. Running the Vehicle While Parked
It is better not to park with the engine running. But if you
ever have to, here are some things to know.
WARNING:
Idling a vehicle in an enclosed area with poor
ventilation is dangerous. Engine exhaust may
enter the vehicle. Engine exhaust contains
Carbon Monoxide (CO) which cannot be seen
or ...