For your safety, the automatic transmission has a shift-lock system which prevents shifting the transmission from P (Park) into R (Reverse) unless the brake pedal is depressed.
To shift the transmission from P (Park) into R (Reverse):
1. Depress and hold the brake pedal.
2. Start the engine or place the ignition switch in the ON position.
3. Move the shift lever.
Hyundai Sonata LF 2014-2019 Owners Manual: Seat Belt-Driver’s 3-point system with emergency locking retractor
To fasten your seat belt:
Pull the seat belt out of the retractor and insert the metal tab (1) into the
buckle (2). There will be an audible "click" when the tab locks into the buckle.
The seat belt automatically adjusts to the proper length after the lap belt portion
is adjusted manually so that ...
Hyundai Sonata LF 2014-2019 Owners Manual: To decrease the Smart Cruise Control set speed
Follow either of these procedures:
Push the toggle switch down (SET-), and hold it. Your vehicle set speed
will decrease by 5 mph (10 km/h). Release the toggle switch at the speed you
want.
Push the toggle switch down (SET-), and release it immediately. The cruising
speed will decrease by ...