When you move the shift lever to the R (Reverse) position, the side view mirror(s) will rotate downwards to aid with driving in reverse. The position of the side view mirror switch (1) determines whether or not the mirrors will move:
Left/Right : When either the L (Left) or R (Right) switch is selected, both side view mirrors will move.
Neutral : When neither switch is selected, the side view mirrors will not move.
The side view mirrors will automatically revert to their original positions if any of the following occur:
Hyundai Sonata LF 2014-2019 Service Manual: Stop Signal Electronic Module Specifications
Specifications
CategoryDataOperation temperature range (°C)-40 ~ 85Preserving temperature range (°C)-40 ~ 105Operating voltage (V)5.8 ~ 16Rated current (A)15
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Hyundai Sonata LF 2014-2019 Owners Manual: To increase Smart Cruise Control set speed
Follow either of these procedures:
Push the toggle switch up (RES+), and hold it. Your vehicle set speed will
increase by 5 mph (10 km/h). Release the toggle switch at the speed you want.
Push the toggle switch up (RES+), and release it immediately. The cruising
speed will increase by 1.0 mp ...