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November 15, 2016 Service bulletin

Pitstop: HVAC ventilation logic operation

Kia technical service bulletin PS472R1 for 2016-2017 Kia Sorento, 2016-2017 Kia Optima and 2014-2017 Kia Soul and others.

Bulletin number
PS472R1
Component
Equipment adaptive/mobility
Summary
PITSTOP: HVAC VENTILATION LOGIC OPERATION - Starting with 14MY Soul (PS) (with the exception of PSEV) and complete new models such as K900 (KH), Sedona (YP), Sorento (UMa), Optima (JFa), Sportage (QL), and 17MY Forte (YD, YDm), etc., equipped with a sunroof, a ventilation logic has been applied in order to prevent exhaust gases flowing into the vehicle due to the pressure difference (inside vs outside) that is generated when driving with the sunroof open. This logic allows the system to automatically switch from RECIRCULATION to FRESH mode when the sunroof is open.

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