Hyundai Genesis: Ignition System / Spark Plug Description and Operation
A spark plug is a device for delivering electric current from
an ignition system to the combustion chamber of a spark-ignition engine
to ignite the compressed fuel/air mixture therein by means of an
electric spark, while containing combustion pressure within the engine. A
spark plug has a metal threaded shell, electrically isolated from a
central electrode by a porcelain insulator.

Removal
Ignition Coil #1
1.
Turn the ignition switch OFF and disconnect the battery negative (-) cable.
2.
Remove the engine wiring protector (A) after loosening the bolt.
3.
Disconnect ...
Specification
ItemSpecificationTypeDILKR7A11Gap 1.0 ~ 1.1 mm (0.0394 ~ 0.0433 in.)
...
Other information:
Removal
The dust or foreign substance on the rain sensor has a bad
effect upon the rain sensor capability, so protect the sensor surface
with protection cover until installing the rain sensor to bracket for
accurate function
The coupling pad on the rain sensor surface ...
The Autonomous Emergency
Braking (AEB) helps avoid accidents
by identifying critical situations early
and warning the driver.
WARNING
Take the following precautions
when using the Autonomous
Emergency Braking (AEB):
This system is only a supplemental
system and it is not
intend ...