Other information:
Hyundai Sonata LF 2014-2019 Service Manual: Battery Repair procedures
Removal
1.
Remove the air duct.
(Refer to Engine Mechanical System - "Air Cleaner")
2.
Disconnect the battery (-)terminal (A) and then (+)terminal (B).
3.
Remove the TCM.
(Refer to Automatic Transaxle System - "Transaxle Control Module (TCM)")
4.
Remove the battery mounting bracket ...
Hyundai Sonata LF 2014-2019 Service Manual: Specifications
Specifications
[Memory Power Seat Unit ]
ItemSpecificationsRated voltageDC 12VOperating VoltageDC 9V ~ 16VOperating Temperature Range-30°C ~ 75°C Dark currentMax. 1?
[Memory Power Seat Switch ]
ItemSpecificationsRated voltageDC 5VType Soft Feeling Tact typeOperating Temperature Range-30°C ...