Push the A/C button to manually turn the system on (indicator light will illuminate) and off.
Hyundai Sonata LF 2014-2019 Owners Manual: Side view mirrors control
Adjusting the rearview mirrors:
1. Move the lever (1) towards the L(Left) or R(Right) to select the rearview
mirror you would like to adjust.
2. Use the mirror adjustment control switch to position the selected mirror up,
down, left or right.
3. After adjustment, place the lever (1) in the center ...
Hyundai Sonata LF 2014-2019 Service Manual: CVVT & Camshaft Description and Operation
Description
Continuous Variable Valve Timing (CVVT) system advances or
retards the valve timing of the intake and exhaust valve in accordance
with the ECM control signal which is calculated by the engine speed and
load.
By controlling CVVT, the valve over-lap or under-lap occurs,
which m ...