Hyundai Elantra: Why Didn't My Air Bag Go Off in a Collision? / Air bag non-inflation conditions

Hyundai Elantra. Air bag non-inflation conditions

In certain low-speed collisions the air bags may not deploy. The air bags are designed not to deploy in such cases because they may not provide benefits beyond the protection of the seat belts.

Hyundai Elantra. Air bag non-inflation conditions

Front air bags are not designed to inflate in rear collisions, because occupants are moved backward by the force of the impact. In this case, inflated air bags would not provide any additional benefit.

Hyundai Elantra. Air bag non-inflation conditions

Front air bags may not inflate in side impact collisions, because occupants move in the direction of the collision, and thus in side impacts, front air bag deployment would not provide additional occupant protection.

However, side and curtain air bags may inflate depending on the severity of impact.

Hyundai Elantra. Air bag non-inflation conditions

In an angled collision, the force of impact may direct the occupants in a direction where the air bags would not be able to provide any additional benefit, and thus the sensors may not deploy any air bags.

Hyundai Elantra. Air bag non-inflation conditions

Just before impact, drivers often brake heavily. Such heavy braking lowers the front portion of the vehicle causing it to "ride" under a vehicle with a higher ground clearance. Air bags may not inflate in this "underride" situation because deceleration forces that are detected by sensors may be significantly reduced by such "underride" collisions.

Hyundai Elantra. Air bag non-inflation conditions

Front air bags may not inflate in rollover accidents because air bag deployment could not provide protection to the occupants.

However, side and curtain air bags may inflate when the vehicle is rolled over by a side impact collision.

Hyundai Elantra. Air bag non-inflation conditions

Air bags may not inflate if the vehicle collides with objects such as utility poles or trees, where the point of impact is concentrated and the collision energy is absorbed by the vehicle structure.

Air bag inflation conditions
Front air bags Front air bags and the driver’s knee air bag are designed to inflate in a frontal collision depending on the the severity of impact of the front collision. Side and curtain ...

SRS Care
The SRS is virtually maintenancefree and there are no parts you can safely service by yourself. If the SRS air bag warning light does not illuminate when the ignition switch is in the ON position, ...

Other information:

Hyundai Elantra AD (2016-2020) Service Manual: Compressor Description and Operation
Description The compressor is the power unit of the A/C system. It is located on the side of engine block and driven by a V-belt of the engine. The compressor changes low pressure and low temperature refrigerant gas into high pressure and high temperature refrigerant gas. Variable Swash Plat ...

Hyundai Elantra AD (2016-2020) Owners Manual: Smart Cruise Control Switch
CRUISE: Turns cruise control system on or off. RES+: Resumes or increases cruise control speed. SET-: Sets or decreases cruise control speed. : Sets vehicle-to-vehicle distance. CANCEL: Cancels cruise control operation. ...

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