Hyundai Sonata: Indicator Lights / Electronic Stability Control (ESC) Indicator Light

This indicator light illuminates:

This indicator light blinks:

While the ESC is operating.

Indicator Lights
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Electronic Stability Control (ESC) OFF Indicator Light
This indicator light illuminates: Once you set the ignition switch or the Engine Start/Stop button to the ON position. - It illuminates for approximately 3 seconds and then goes off. When you d ...

Other information:

Hyundai Sonata LF 2014-2019 Service Manual: Ambient Temperature Sensor Repair procedures
Inspection 1. Check the resistance of the ambient temperature sensor between terminals 1 and 2 whether it changes by changing the ambient temperature. 1. Ambient Sensor (+)2. Sensor ground Specification Ambient temperature[°C (°F)] Resistance between terminal 1 and 2 (k?)-40 (-40)88 ...

Hyundai Sonata LF 2014-2019 Owners Manual: Explanation of Scheduled Maintenance Items
Engine Oil and Filter The engine oil and filter should be changed at the intervals specified in the maintenance schedule. If the car is being driven in severe conditions, more frequent oil and filter changes are required. Drive Belts Inspect all drive belts for evidence of cuts, cracks, excessive ...

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