Air bags are not designed to inflate in every collision. There are certain types of accidents in which the air bag would not be expected to provide additional protection. These include rear impacts, second or third collisions in multiple impact accidents, as well as low speed impacts. Damage to the vehicle indicates a collision energy absorption, and is not an indicator of whether or not an air bag should have inflated.
Hyundai Sonata LF 2014-2019 Service Manual: Blower Motor Repair procedures
Inspection
1.
Connect the battery voltage and check the blower motor rotation.
2.
If the blower motor does not operate well, substitute with a known-good blower motor and check for proper operation.
3.
Replace the blower motor if it is proved that there is a problem with it.
Replacem ...
Hyundai Sonata LF 2014-2019 Service Manual: Rear Door Window Glass Repair procedures
Replacement
1.
Pull down rear door window glass by pressing the power window glass switch.
2.
Remove the rear door trim.
(Refer to Rear Door - "Rear Door Trim")
3.
Remove the rear door belt outside weatherstrip (A).
4.
After loosening the mounting screws, then remove the rear door ...