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
1.
Disconnect the negative (-) battery terminal.
2.
Remove the mirror wiring cover (A) and rain sensor cover (B).
3.
Remove the LKAS unit connector (A).
4.
Remove the LKAS unit after disengaging the mounting bracket (A).
Installation
1.
Partially install the LKAS unit by ...
Components
1. Pre-active Seat Belt (PSB)2. Center Pillar
1. Pre-active Seat Belt Unit (PSB)
...