Warning messages found on vehicle labels and in this manual describe hazards and what to do to avoid or reduce them.
Danger indicates a hazard with a high level of risk which will result in serious injury or death.
Warning or Caution indicates a hazard that could result in injury or death.
WARNING:
These mean there is something that could hurt
you or other people.
Notice: This means there is something that could result in property or vehicle damage. This would not be covered by the vehicle's warranty.
A circle with a slash
through it is a safety
symbol which means
“Do Not,” “Do not do this,”
or “Do not let this
happen.”
Chevrolet Cobalt Service & Repair Manual. Emission Control System Inspection
Caution: Do not remove any
component of the engine emission control system. Operating the engine without
the engine emission control system intact will reduce fuel economy and engine
ventilation. This will weaken engine performance and shorten engine life.
The vehicle ...