Hyundai Sonata LF 2014-2019 Owners Manual: Start-up
You can start the engine without inserting the key.
NOTICE
To prevent damaging the smart key:
Keep the smart key away from water or any liquid and fire. If the inside
of the smart key gets damp (due to drinks or moisture), or is heated, internal
circuit may malfunction, excluding the car from ...
Hyundai Sonata LF 2014-2019 Owners Manual: Underbody maintenance
Corrosive materials used for ice and snow removal and dust control may collect
on the underbody. If these materials are not removed, accelerated rusting can occur
on underbody parts such as the fuel lines, frame, floor pan and exhaust system,
even though they have been treated with rust protectio ...