Adjusting instrument cluster illumination
When the vehicle's parking lights or headlights are on, press the illumination control button to adjust the brightness of the instrument panel illumination.
When pressing the illumination control button, the interior switch illumination intensity is also adjusted.
WARNING
Never adjust the instrument cluster while driving. Doing so could lead to driver distraction which may cause an accident and lead to vehicle damage, serious injury, or death.
Hyundai Elantra AD (2016-2020) Owners Manual: Inside Rearview Mirror
Before driving your vehicle, check to see that your inside rearview mirror is
properly positioned. Adjust the rearview mirror so that the view through the rear
window is properly centered.
WARNING
Make sure your line of sight is not obstructed. Do not place objects in the
rear seat, cargo ar ...
Hyundai Elantra AD (2016-2020) Owners Manual: Wheel Alignment and Tire Balance
The wheels on your vehicle were aligned and balanced carefully at the factory
to give you the longest tire life and best overall performance.
In most cases, you will not need to have your wheels aligned again. However,
if you notice unusual tire wear or your vehicle pulling one way or the other ...