Hyundai sonata Owner's Manual page 318

While Driving
When the system is deactivated:
The ISG OFF button indicator illuminates.
If the message "Auto Stop is Off.
Start vehicle manually", appears on the
LCD display with a beep sound, restart
the vehicle manually by depressing the
brake pedal with the vehicle shifted
to P (Park) or N (Neutral). For your
safety, restart the vehicle in the P (Park)
position.
6-34
Auto start
To restart the engine in the auto stop
mode
Release the brake pedal.
- When Auto Hold is activated, if you
release the brake pedal, the engine will
be in the auto stop state. However, if
you depress the accelerator pedal, the
engine will start again.
The auto stop indicator (
the instrument cluster, when the engine
is restarted.
ODN8069019
The engine is automatically restarted in
the following situations.
• The brake vacuum pressure is low
• The engine has stopped for about 5
minutes
• The air conditioning is ON with the fan
speed set to the highest position
• The front defroster is ON
• The battery is weak
• The cooling and heating performance
of the climate control system is
unsatisfactory
OIK057173N • The vehicle is shifted to P (Park) when
Auto Hold is activated
• The door is opened or the seatbelt
is unfastened when Auto Hold is
activated
• The EPB switch is pressed when Auto
Hold is activated
The auto stop indicator (
green for 5 seconds on the instrument
cluster.
) goes OFF on
) blinks in