Hyundai Staria US4 2021, Owner'S Manual, Page: 412 / 793

Driving your vehicle
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Idle Stop and Go helps reduce fuel
consumption by automatically shutting
down the engine, when the vehicle is
at a standstill (i.e. red stop light, stop
sign, and traffic jam) subject to certain
prerequisite conditions being satisfied as
listed below.
The engine is automatically started upon
satisfying the starting conditions.
ISG system is always active, when the
engine is running.
Information
When the engine is automatically started
by ISG system, warning lights (i.e. ABS,
ESC, ESC OFF, EPS, and parking brake
warning light) may illuminate for a few
seconds due to low battery voltage.
However, it does not indicate a
malfunction with ISG system.
ISG system operation
Prerequisite for activation
ISG system operates in the following
situations.
• The driver's seatbelt is fastened
• The driver's door and hood are closed
• The brake vacuum pressure is
adequate
• The battery sensor is activated and
the battery is sufficiently charged
• Outside temperature is not too low or
too high
• The vehicle is driven over a constant
speed and stops
• The climate control system satisfies
the conditions
• The vehicle is sufficiently warmed up
• ISG related parts are working properly
• The incline is gradual
• The steering wheel is turned less than
180 degrees and then the vehicle
stops
Information
ISG system is not activated, when the
prerequisites to activate the ISG system
are unsatisfied.
Auto stop
When ISG is on the engine will be
stopped automatically when both of the
following occurs:
1. Vehicle speed decreases to 0 km/h
(0 mph) full stop condition.
2. Brake pedal is depressed and gear is
in D (Drive) or N (Neutral).
The Auto Stop ( ) indicator illuminates
in green on the instrument cluster, when
the engine stops.
Information
Idle stop cannot reoccur again until the
vehicle speed goes above 5 km/h (3 mph)
and then returns again to the automatic
stop conditions as previously mentioned.