Hyundai Sonata LF: Cooling System / Radiator Components and Components Location

Coolant Repair procedures

Replacement And Air Bleeding     Never remove the radiator cap when the engine is hot. Serious scalding could be caused by hot fluid under high pressure escaping from the radiator...

Radiator Repair procedures

Removal and Installation 1. Remove the cooling fan. (Refer to Cooling System - "Cooling Fan") 2. Loosen the drain plug, and drain the coolant...

Other information:

Hyundai Sonata LF 2014-2019 Service Manual: Occupant Classification Sensor (OCS) Description and Operation

Description In order to make normal activation of airbag system, SRSCM detects DTC(s) for the Occupant Classification System (OCS). If the seat is occupied, OCS detects passenger presences status and send signal to SRSCM via CAN. SRSCM recognizes the signal as 2(two) different classifications; that is, 1(Empty or small occupant with child restraint system), 2(Occupied with large occupant and small occupant)...

Hyundai Sonata LF 2014-2019 Service Manual: Description and Operation

Description The SMART KEY system is a system that allows the user to access and operate a vehicle in a very convenient way. To access the vehicle, no traditional key or remote control unit is needed. The user carries a SMART KEY FOB which does not require any conscious actions by the user (e...