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.

Instrument Cluster
GaugesHyundai Elantra AD (2016-2020) Owners Manual: Electric chromic mirror (ECM) with HomeLink® system and Blue Link®
Your vehicle may be equipped with a Gentex Automatic-Dimming Mirror and an Integrated
HomeLink® Wireless Control System. During nighttime driving, this feature will automatically
detect and reduce rearview mirror glare. The HomeLink® Universal Transceiver allows
you to activate your garage d ...
Hyundai Elantra AD (2016-2020) Service Manual: Tires/Wheels
Tire Repair procedures
Tire Wear
1.
Measure the tread depth of the tires.
Tread depth [limit] : 1.6 mm (0.063 in)
2.
If the remaining tread depth (A) is less than the limit, replace the tire.
When the tread depth of the tires is less than 1.6 mm(0.063 in), the we ...