This warning light illuminates when a door is not closed securely.
Hyundai Tucson (LM) 2010-2015 Owners Manual: Care of seat belts
Seat belt systems should never be disassembled or modified. In addition, care
should be taken to assure that seat belts and belt hardware are not damaged by seat
hinges, doors or other abuse.
Periodic inspection
All seat belts should be inspected periodically for wear or damage of any kind.
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Hyundai Tucson (LM) 2010-2015 Service Manual: Troubleshooting
Troubleshooting
SymptomPossible causeRemedySpeedometer does not operateCluster fuse (10A) blownCheck for short and replace fuseSpeedometer faultyCheck speedometerCAN line faultyCheck the EMSWiring or ground faultyRepair if necessaryTachometer does not operateCluster fuse (10A) blownCheck for sh ...