Hazard Warning Flashers
The hazard warning flashers warn others.
They also let police know you have a problem.
Your front and rear turn signal lamps will flash on and off.

The hazard warning flasher button is located on top of the steering column.
The hazard warning flashers work no matter what ignition position the key is in, and even if the key is not in the ignition.
Press the button to make the front and rear turn signal lamps flash on and off. Press the button again to turn the flashers off.
When the hazard warning flashers are on, your turn signals will not work.
See also:
Cellular and GPS Antennas
Avoid placing items over or near the
antenna to prevent blocking cellular
and GPS signal reception. Cellular
reception is required for OnStar to
send remote signals to the vehicle. ...
Fuel
Use of the recommended fuel is an
important part of the proper
maintenance of this vehicle. To help
keep the engine clean and maintain
optimum vehicle performance, we
recommend the use of ga ...
Automatic Engine Start/Stop Feature
Vehicles with eAssist have an
automatic engine start/stop feature.
After the engine is started and has
reached operating temperature, the
auto stop feature may cause the
engine to turn off wh ...
