Kia Rio airbag light - Hyundai Motor 2002 Elantra

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I am thinking when they replaced your airbag light the other circuit connections could have been impacted. The Rios have issues with solder connections on the circuit board. This is made worse is high humidity areas. Try unplugging the battery and reconnecting after several minutes to see if the hard reset fixes temporarily.

As Steve said the clock spring in the steering column can be the reason for both of the problems you have . As the wheel is turned left or right the clock spring allows contact for the horn and airbag systems .

If it is an airbag tester dedicated to the Bosch and/or Siemens (or whatever) SRS systems fitted to those marques it is unlikely to work with vehicles not using those systems - but go ahead and try it. You have two chances and trying and failing won't cause any harm...

you are looking for the airbag control module it is located between the 2 front seat

center of dash at bottom

check nuts at bottom of steering column mine where missing replaced and light went off

Sounds like there is a fault in the control unit that will have to be serviced or replaced. This will have to be done by certified tech.

In most cases this problem is caused by the rotating ribbon circuit contact under the steering wheel having a broken filament, the part is known as a clock spring contact, u will need to properly disarm the airbag and remove the steering wheel to access the part. WARNING: Failure to follow factory Airbag disarming protocol can result in an unexpected Airbag deployment and possible serious personnel injury or death.

reset by code reader but you may have a problem warning lights dont come on for nothing also if you have seatbelt restraints these are connected and it may be one of those, hope its of help.