Some items need to be reset after the battery has been discharged or the battery has been disconnected. See chapter 3 for:
Hyundai Sonata LF 2014-2019 Owners Manual: Towing
If emergency towing is necessary, we recommend having it done by an authorized
HYUNDAI dealer or a commercial tow-truck service.
Proper lifting and towing procedures are necessary to prevent damage to the vehicle.
The use of wheel dollies or flatbed is recommended.
It is acceptable to tow the veh ...
Hyundai Sonata LF 2014-2019 Service Manual: Rear Glass Defogger Switch Repair procedures
Inspection
1.
The body electrocal system can be quickly diagnosed failed parts with vehicle diagnostic system(GDS).
The diagnostic system(GDS) provides the following information.
(1)
Self diagnosis : Checking the failure code (DTC) and display
(2)
Current data : Checking the system input/ ...