Hyundai Sonata: Scheduled Maintenance Services / Normal Maintenance Schedule (Theta 2.4 GDI)

Severe Driving Conditions

A- Repeatedly driving short distances of less than 5 miles (8 km) in normal temperature or less than 10 miles (16 km) in freezing temperature B- Extensive engine idling or low speed driving for long ...

Maintenance Under Severe Usage Conditions (Theta 2.4 GDI)

The following items must be serviced more frequently on cars normally used under severe driving conditions. Refer to the chart below for the appropriate maintenance intervals. R : Replace I : Inspec ...

Other information:

Hyundai Sonata LF 2014-2019 Owners Manual: Battery replacement
If the Smart Key is not working properly, try replacing the battery with a new one. Battery Type: CR2032 To replace the battery: 1. Pry open the rear cover of the smart key. 2. Remove the old battery and insert the new battery. 3. Reinstall the rear cover of the smart key. If you suspect your smar ...

Hyundai Sonata LF 2014-2019 Owners Manual: Air ventilation seats
The air ventilation seats are provided to cool the front seats by blowing air through small vent holes on the surface of the seat cushions and seatbacks. When the operation of the air ventilation seats are not needed, keep the switches in the OFF position. While the engine is running, push the sw ...