Hyundai Sonata: Engine Mechanical System / Lubrication System

Thermostat Troubleshooting
Troubleshooting SymptomsPossible CausesRemedyCoolant leakage • From the thermostat gasket Check the mounting bolts • Check the torque of the mounting bolts • Retighten the bo ...

Engine Oil Repair procedures
Replacement     • Prolonged and repeated contact with mineral oil will result in the removal of natural fats from the skin, leading to dryness, irritation and dermatitis. ...

Other information:

Hyundai Sonata LF 2014-2019 Owners Manual: Remote key precautions
The remote key will not work if any of the following occur: The key is in the ignition switch. You exceed the operating distance limit (about 90 feet [30 m]). The remote key battery is weak. Other vehicles or objects may be blocking the signal. The weather is extremely cold. The remote key is ...

Hyundai Sonata LF 2014-2019 Service Manual: Side Airbag (SAB) Module Description and Operation
Description The Side Airbags (SAB) are installed inside the front seat and protects the driver and passenger from danger when side crash occurs. The SRSCM determines deployment of side airbag by using Side Impact Sensor (SIS) signal.     Never attempt to measure the circu ...

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