This indicator light illuminates:
Hyundai Sonata LF 2014-2019 Owners Manual: Interior overview
1. Door lock/unlock button
2. Driver position memory system
3. Side view mirrors control switch
4. Central door lock switch
5. Power window switches
6. Power window lock switch
7. Hood release lever
8. Instrument panel illumination control switch
9. Blind spot detection system button
10. Lane keepi ...
Hyundai Sonata LF 2014-2019 Service Manual: Ambient Temperature Sensor (ATS) Description and Operation
Description
Ambient Temperature Sensor (ATS) is installed on the
front-end module and senses the ambient temperature. ECM receives not
only the intake air temperatue but also the ambient air temperature
informations at the same time to control the intake air quantity
precisely provided th ...