User Manual - Page 458

For 2020 HYUNDAI SONATA.

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08
8-11
Maintenance Under Severe Usage Conditions (Smartstream G1.6 T-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 or change.
I : Inspect and if necessary, adjust, correct, clean or replace.
MAINTENANCE ITEM
MAINTENANCE
OPERATION
MAINTENANCE
INTERVALS
DRIVING
CONDITION
Engine oil and filter R
E
very 3,000 miles or
6 months
A, B, C, D, E,
F, G, H, I, J, K
Air cleaner filter R More frequently C, E
Spark plugs R More frequently A, B, H, I, K
Automatic transmission fluid
(if equipped)
R Every 60,000 miles A, C, E, F, G, I
Front brake disc/pads, calipers I More frequently C, D, G, H
Rear brake shoes or disc/pads I More frequently C, D, G, F
Parking brake I More frequently C, D, G, H
Steering gear box, linkage &
boots/ lower arm ball joint,
upper arm ball joint
I More frequently
C, D, E, F, G,
H, I
Suspension mounting bolts I More frequently
C, D, E, F, G,
H, I
Drive shafts and boots I
Every 3,000 miles or
6 months
C, D, E, F, G,
H, I
Climate control air filter
(for evaporator and blower unit)
R More frequently C, E
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 distances
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
F. Driving in heavy traffic area over 90°F
(32°C)
G. Driving on uphill, downhill, or
mountain road
H. Towing a Trailer, or using a camper, or
roof rack
I. Driving as a patrol car, taxi, other
commercial use or vehicle towing
J. Driving over 106 mph (170 km/h)
K. Frequently driving in stop-and-go
conditions
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