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.”
Index
Vehicle SymbolsChevrolet Cobalt Service & Repair Manual. 2005-10 Cobalt
After changing engine oil, Engine
Oil Life System must be reset as follows:
1.
Turn ignition to RUN, with engine off.
2.
Press information and reset buttons
on DIC at same time to enter personalization menu.
...