Hyundai Sonata LF Owner's Manual page 573

Maintenance
Maintenance item
Driveshaft and boots
Manual transaxle fluid (if equipped)
Automatic transaxle fluid (if equipped)
Climate control air filter (if equipped)
Severe driving conditions
A : Repeatedly driving short distance of less than 5 miles (8 km)
in normal temperature or less than 10 miles (16 km) in freez-
ing temperature
B : Extensive engine idling or low speed driving for long dis-
tances
C : Driving on rough, dusty, muddy, unpaved, graveled or salt
spread roads
D : Driving in areas using salt or other corrosive materials or in
very cold weather
E : Driving in sandy areas
7-16
Maintenance
Maintenance intervals
operation
Inspect more frequently
I
depending on the condition
R Every 120,000 km (80,000 miles)
R Every 90,000 km (60,000 miles)
Replace more frequently
R
depending on the condition
F : Driving in heavy traffic area over 32°C (90°F)
G : Driving on uphill, downhill, or mountain roads repeatedly
H : Towing a trailer, or using a camper or roof rack
I : Driving for patrol car, taxi, commercial car or vehicle towing
J : Driving over 140 km/h (87 mile/h)
K : Driving over 170 km/h (106 mile/h)
L : Frequently driving in stop-and-go conditions and under
15,000 km per year.
Driving condition
C, D, E, F, G, H, I
C, F, G, I, K
A, C, F, G, I
C, E