Hyundai Accent: Speed sensing door lock systemAll doors will be automatically locked after the vehicle speed exceeds 9 mph (15 km/h). And all doors will be automatically unlocked when you turn the engine off or when you remove the ignition key. (if equipped)
Impact sensing door unlock system
Auto door lock/unlock featureAdding 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. ...
Inspection
Rear Brake Disc Thickness Check
1.
Check the brake pads for wear and fade.
2.
Check the brake disc for damage and cracks.
...
Input Speed Sensor. Troubleshooting
Signal Waveform
Fig 1) Input/Output speed sensor at low speed
Fig 2) Input/Output speed sensor at high speed
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