Hyundai Sonata LF 2014-2019 Service Manual: AVN Keyboard Repair procedures
Removal
1.
Disconnect the negative (-) battery terminal.
2.
Using a screwdriver or remover, separate the center fascia panel (A).
3.
Remove the center fascia panel (A) after disconnect the connector.
4.
Remove the AVN keyboard unit (A) after loosening the screws.
Installation
1.
...
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 ...