
Make this adjustment before you start driving and while the day/night lever is in the day position.
Pull the day/night lever towards you to reduce glare from the headlights of the vehicles behind you during night driving.
Remember that you lose some rearview clarity in the night position.
Inside Rearview Mirror
Blue Link® centerHyundai Elantra AD (2016-2020) Owners Manual: Good Driving Practices
Never move the shift lever from P (Park) or N (Neutral) to any other position
with the accelerator pedal depressed.
Never move the shift lever into P (Park) when the vehicle is in motion.
Be sure the vehicle is completely stopped before you attempt to shift into
R (Reverse) or D (Drive) ...
Hyundai Elantra AD (2016-2020) Service Manual: Exhaust Emission Control System
Description and Operation
Description
Exhaust emissions (CO, HC, NOx) are controlled by a
combination of engine modifications and the addition of special control
components.
Modifications to the combustion chamber, intake manifold, camshaft and ignition system form the basic control system. ...