The headlamps and parking lamps are activated 15 seconds after the windshield wipers are turned on.
For this feature to work, automatic lighting must be enabled. See Headlamps for additional information.
When the ignition is turned off, the wiper-activated headlamps will immediately turn off. They also turn off 15 seconds after the windshield wiper control is turned off.
Chevrolet Cobalt Service & Repair Manual. Compression Pressure
When inspecting cylinder compression,
the engine should be at room temperature, the throttle should be open, the
spark plugs removed and the battery at full charge. The lowest reading cylinder
should not be less than 70% of the highest and no cylinder reading should
be less th ...