The paddle shifter is available when the shift lever is in the D (Drive) position or Manual shift mode.
With the shift lever in the D position
The paddle shifter will operate when the vehicle speed is more than 6 mph (10 km/h).
Pull the [+] or [-] paddle shifter once to shift up or down one gear and the system changes from automatic mode to manual mode.
The system changes from manual mode to automatic mode:
With the shift lever in the manual shift mode
Pull the [+] or [-] paddle shifter once to shift up or down one gear.
Information
If the [+] and [-] paddle shifters are pulled at the same time, gear change may not occur.
Hyundai Sonata LF 2014-2019 Service Manual: Height Adjust Components and Components Location
Component Location
1. Height adjust
...
Hyundai Sonata LF 2014-2019 Service Manual: Injector Description and Operation
Description
The GDI injector is similar to a standard injector, but
sprays fuel at a much higher pressure directly into the combustion
chamber and has a swirl disc to get the fuel swirling as it exits the
nozzle. This aids in atomization of the fuel.
The ECM controls both the feed circuits ...