On a vehicle equipped with a smart key, the trunk can be opened using the Smart Trunk system.
Hyundai Sonata LF 2014-2019 Service Manual: Spark Plug Repair procedures
Inspection
[On vehicle inspection]
1.
Accelerate the engine to about 3,000 rpm 3 times or more.
2.
Remove the spark plug.
3.
Check the spark plug visually.
If the electrode is dry, the spark plug is normal.
If the electrode is wet, check the damage and electrode gap as below.
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Hyundai Sonata LF 2014-2019 Service Manual: Front Door Module Repair procedures
Replacement
1.
Remove the front door window glass.
(Refer to Front Door - "Front Door Window Glass")
2.
Remove the front door outside handle.
(Refer to Front Door - "Front Door Outside Handle")
3.
Loosen the front door outside handle base mounting screw (A).
4.
Disconnect the outs ...