Maintenance - Hyundai Sonata Hybrid 2021 Owner's Manual

8. Maintenance

Engine Compartment ....................................................................................... 8-3
Maintenance Services ...................................................................................... 8-4
Owner's Responsibility ............................................................................................... 8-4
Owner Maintenance Precautions ............................................................................... 8-4
Owner Maintenance ......................................................................................... 8-5
Owner Maintenance Schedule ....................................................................................8-5
Scheduled Maintenance Services ....................................................................8-7
Maintenance Schedule ................................................................................................ 8-7
Explanation of Scheduled Maintenance Items ...............................................8-11
Engine Oil .........................................................................................................8-13
Checking the Engine Oil Level ................................................................................... 8-13
Checking the Engine Oil and Filter ........................................................................... 8-13
Engine Coolant/Inverter Coolant ....................................................................8-14
Checking the Coolant Level....................................................................................... 8-14
Changing Coolant ...................................................................................................... 8-16
Hybrid Starter & Generator (HSG) Belt ........................................................... 8-17
Checking the Hybrid Starter & Generator (HSG) Belt ...............................................8-17
Brake Fluid ........................................................................................................ 8-17
Checking the Brake Fluid Level ..................................................................................8-17
Washer Fluid .....................................................................................................8-18
Checking the Washer Fluid Level .............................................................................. 8-18
Air Cleaner ........................................................................................................8-19
Filter Replacement ..................................................................................................... 8-19
Cabin Air Filter ................................................................................................. 8-20
Filter Inspection......................................................................................................... 8-20
Filter Replacement .................................................................................................... 8-20
Wiper Blades .................................................................................................... 8-21
Blade Inspection ........................................................................................................ 8-21
Blade Replacement .................................................................................................... 8-21
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