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. Fuel Pressure Relief
1.
Loosen fuel fill cap to relieve fuel
tank vapor pressure.
2.
Remove engine cover.
3.
Remove fuel rail service port cap,
then wrap a shop towel around fuel rail service port.
4. ...