Kia K900: Air bag collision sensors

(1) SRS control module
(2) Front impact sensor

(3) Side impact sensor (front)
(4) Side impact sensor (rear)
WARNING
Air bag sensors
Problems may arise if the sensor installation angles are changed due to the deformation of the front bumper, body, front door or C Pillar where the collision sensors are installed. Have the vehicle checked and repaired by an authorized K900 Kia dealer.
Installing aftermarket bumper guards or replacing a bumper 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 noninflation conditions
of the air bag)
Air bag inflation conditionsDetecting sensor
The sensors are located inside of the rear bumper.
Always keep the rear bumper clean for the system to work properly. ...
Adding equipment to or modifying your air bag-equipped vehicle
If you modify your vehicle by changing your vehicle's frame, bumper system, front
end or side sheet metal or ride height, this may affect the operation of your vehicle's
air bag system. ...
Anti-lock Brake System (ABS) Warning Light
This warning light illuminates:
Once you set the ignition switch or Engine Start/Stop Button to the ON position.
It illuminates for approximately 3 seconds and then goes off.
When there is ...