Hyundai Staria US4 2021 Owner's Manual page 216

WARNING
Even if your vehicle is equipped with
Advanced Rear Occupant Alert (ROA),
always make sure to check the rear
seats or cargo area before you leave the
vehicle.
Advanced Rear Occupant Alert (ROA)
may not operate when:
• Movement does not continue for
a certain period of time or the
movement is small.
• A child is not seated in a child
restraint system.
• The detection signal is weak because
the signal is obscured by seat or CRS
(for example, child is restrained in
the forward-facing CRS).
• Movement is detected in areas other
than the rear seats.
• The rear passenger is covered with a
fabric containing metallic substance
such as a blanket.
• An object in the vehicle blocks the
sensor.
• The sensor is contaminated by
foreign material.
• An animal at the rear seat or luggage
compartment is not large enough to
be detected by the sensor or there is
hardly any movement.
• Attaching objects or modifying the
interior ceiling, or the interior ceiling
is deformed or damaged.
• There are electronic interference
around the vehicle.
• Other environmental reasons that
may affect the system.
Declaration of Conformity
The radio frequency components (ROA
Radar Sensor) complies:
• For Europe and CE certified countries
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