Kia Niro: How does the air bag system operate / Noise and smoke

When the air bags inflate, they make a loud noise and they leave smoke and powder in the air inside of the vehicle. This is normal and is a result of the ignition of the air bag inflator. After the air bag inflates, you may feel substantial discomfort in breathing due to the contact of your chest with both the seat belt and the air bag, as well as from breathing the smoke and powder. Open your doors and/or windows as soon as possible after the impact in order to reduce discomfort and prevent prolonged exposure to smoke and powder.

Though the smoke and powder are non-toxic, they may cause irritation to the skin (eyes, nose and throat, etc). If this is the case, wash and rinse with cold water immediately and consult a doctor if the symptom persists.


When the air bags deploy, the air bag related parts in the steering wheel, instrument panel, front seats and/or in both sides of the roof rails above the front and rear doors are very hot. To prevent injury, do not touch the air bag storage area’s internal components immediately after an air bag has inflated.

How does the air bag system operate
Air bags are activated (able to inflate if necessary) only when the ignition switch is turned to the ON or START position. Air bags inflate instantly in the event of a serious frontal collisio ...

Front passenger's air bag warning label for child restraint system
WARNING Never place a rear facing child restraint in the front passenger seat, unless the passenger-side air bag is deactivated. An inflating passenger-side air bag could impact the rear-facing ...

Other information:

Kia Niro 2017 (DE HEV) Service Manual: Multimedia Jack Description and operation
Description The multimedia jack on the console upper cover is for customers who like to listen to external portable music players like the MP3 etc., through the vehicle's sound system when it is linked to this jack. The customer has this added option. In case of distorted soun ...

Kia Niro (DE HEV) Owners Manual: Necessary inspections
Fluid levels, such as engine oil, engine coolant, brake fluid, and washer fluid should be checked on a regular basis, with the exact interval depending on the fluid. Further details are provided in chapter 8, “Maintenance”. WARNING Driving while distracted can result in a loss of vehicle c ...

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