

Air bag warning labels, required by the U.S. National Highway Traffic Safety Administration (NHTSA), are attached to alert the driver and passengers of potential risks of the air bag system. Be sure to read all of the information about the air bags that are installed on your vehicle in this Owners Manual.
Additional Safety PrecautionsHyundai Elantra AD (2016-2020) Service Manual: Electric Thermostat (ECT) Description and Operation
Description and Operation
Electric Thermostat (ECT)
Overview
Optimal control of coolant temperature depending on the driving conditions
Operation Principle
Electric Thermostat Structure
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Hyundai Elantra AD (2016-2020) Owners Manual: Engine Start/Stop Button. Starting the engine
Whenever the front door is opened, the Engine Start/Stop button will illuminate
and will go off 30 seconds after the door is closed.
WARNING
To reduce risk of serious injury or death, NEVER allow children or any person
who is unfamiliar with the vehicle to touch the Engine Start/Stop button ...