Everything you need to understand the Smart Key System (Push Button Start) operation and diagnostic is explained in this course. This course specifically covers all cars in Hyundai & KIA, but the content is very helpful for other cars smart key systems diagnostic too.

GENERAL DESCRIPTION In order to provide the best possible combination of drivability, fuel economy and emission control,[…]
This course covers everything about each single sensor on engines.
Sensors operation, wiring diagrams, specifications and practical diagnostic on the car are explained for each sensor.