oil additives HYUNDAI SONATA HYBRID 2020 Owners Manual

Maintenance
8-8
Normal Maintenance ScheduleThe following maintenance services must be performed to ensure good emission control and performance.
Keep receipts for all vehicle emission services to protect your warranty. Where both mileage and time are shown, the frequency of
service is determined by whichever occurs first.
MAINTENANCE

INTERVALS
MAINTENANCE
ITEM Number of months or driving distance, whichever comes first
Months 1224 3648 60 7284 96108 120 132144 156168 180
Miles 7. 51522.5 3037.5 4552.5 6067.5 7583 90 98105 113
Km 1224 3648 60 7284 96108 120 132144 156168 180
HSG belts
*1
Inspect every 7,500 miles or 12 months,
and replace every 67,500 miles or 48 months
Engine oil and engine oil filter RRRRRRRRRRRRRRR
Fuel additives
*2
Add fuel additives every 7,500 miles or 12 months
Air cleaner filter IIIR IIIR IIIR III
Spark plugs Replace every 100,000miles
Rotate tires Rotate tires every 7,500 miles
Climate control air filter Replace every 15,000 miles or 12 months
Vacuum hose IIIIIIIIIIIIIII
Engine coolant / Inverter coolant At first, replace at 120,000 miles or 10 years :
after that, replace every 30,000 miles or 24 months
I : Inspect and if necessary, adjust, correct, clean or replace.
R : Replace or change.*1 : The drive belt should be replaced when cracks occur or tension is reduced excessively.
*2 : If TOP TIER Detergent Gasoline is not available, one bottle of additive is recommended. Additives are available from your
authorized HYUNDAI dealer along with information on how to use them. Do not mix other additives.