Follow either of these procedures:
Hyundai Sonata LF 2014-2019 Service Manual: Side Airbag (SAB) Module Repair procedures
Removal
The side airbag cannot be disassembled from the seat back
assembly, so replace the seat back assembly when replacing the side
airbag.
1.
Disconnect the battery negative cable and wait for at least 3 minutes before beginning work.
2.
Remove the front seat ...
Hyundai Sonata LF 2014-2019 Service Manual: Special Service Tools
Special Service Tools
Tool(Number and Name)IllustrationUse09200-3N000Engine support fixture(Beam)Removal and installation of the transaxle.Use this beam (SST No. : 09200-3N000) with the supporter (SST No. : 09200-2S000).?Permit operating with 09200-38001.?Refer to the engine support fixture ass ...