This indicator light illuminates:
Hyundai Sonata LF 2014-2019 Service Manual: Special Service Tools
Special Service Tools
Tool (Number and Name)IllustrationApplicationRKE Battery Checker(09954-2P100)Measuring the RKE battery voltageCorrection jig for LDWS or LKAS(09890-3V100)Correction of LDWS (Lane Departure Warning System) or LKAS (Lane keeping assist system)
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Hyundai Sonata LF 2014-2019 Service Manual: Blind Spot Detection Indicator Repair procedures
Removal
Blind Spot Detection Warnig Indicator
1.
Disconnect the negative (-) battery terminal.
2.
Remove the mirro (A).
Installation
Blind Spot Detection Warnig Indicator
1.
Install the outside mirror.
2.
Connect the negative (-) battery terminal.
Inspection
Diagnosis with GDS ...