The temperature will increase by turning the knob to the right.
The temperature will decrease by turning the knob to the left.
Hyundai Sonata LF 2014-2019 Service Manual: Front Door Side Weatherstrip Repair procedures
Replacement
1.
Loosen the front door checker (B) mounting bolt.
2.
Detach the clips, then remove the front door side weatherstrip (A).
Tightening torque :
16.7 ~ 21.6 N.m (1.7 ~ 2.2 kgf.m, 12.3 ~ 15.9 lb-ft)
3.
Install in the reverse order of removal.
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Hyundai Sonata LF 2014-2019 Service Manual: Instrument Cluster Description and Operation
Description
Communication Network Diagram
AbbreviationExpalnationACUAirbag Control UnitADMAssist Door ModuleB_CANBody Controller Area NetworkBCMBody Control ModuleBSDBlind Spot DetectionC_CANChassis Controller Area NetworkCLUCluster ModuleDATCDual Automatic Temp ControlDDMDriver Door ModuleESC ...