Kia Optima: Why didn’t my air bag go off in a collision? / Air bag collision sensors

Kia Optima DL3 2019-2021 Owner's Manual / Safety features of your vehicle / Air bag - advanced supplemental restraint system / Why didn’t my air bag go off in a collision? / Air bag collision sensors

(1) SRS control module/ Rollover sensor
(2) Front impact sensor
(3) Side impact sensor
(4) Side impact sensor
(5) Side impact sensor

WARNING - Air bag sensors

Problems may arise if the sensor installation angles are changed due to the deformation of the front bumper, front end module, body or front doors where side collision sensors are installed. Have the vehicle checked and repaired by an authorized Kia dealer.

Installing bumper guards (or side step or running board) or replacing a bumper (or front door module) with non-genuine parts may adversely affect your vehicle’s collision and air bag deployment performance.

Why didn’t my air bag go off in a collision?
Inflation and non-inflation conditions of the air bag. There are many types of accidents in which the air bag would not be expected to provide additional protection. These include rear impacts, se ...

Air bag inflation conditions
Front air bags Front air bags are designed to inflate in a frontal collision depending on the intensity, speed or angles of impact of the front collision. Side and/or curtain air bags Side ...

Other information:

Kia Optima DL3 2019-2021 Service and Repair Manual: Front Radar Unit


Specifications Specification Item Specification Power supply 12 V Operation voltage 9 - 16 V Installation angle Horizontal 0 ± 0.8° Vertica ...

Kia Optima DL3 2019-2021 Service and Repair Manual: Drive Shafts and Boots


Repair procedures Inspection Drive shaft 1. Check the drive shaft boots for loose clamps, cracks, grease leaks, kinks or damage ...

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