The following items must be serviced more frequently on the vehicles mainly used under severe driving conditions. Refer to the chart below for the appropriate maintenance intervals.
R: Replace
I: Inspect and if necessary, adjust, correct, clean or replace
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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 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 heavy dust conditions
F. Driving in heavy traffic
G. Driving on uphill, downhill, or mountain roads
H. Towing a trailer or using a camper, or driving with loads on the roof
I. Driving as a patrol car, taxi, or other commercial use
J. Frequently driving at high speeds or rapid acceleration/deceleration
K. Frequently driving in stop-and-go traffic
L. Using engine oil that is not recommended (mineral type, semi-synthetic, lower
grade spec, etc.)
Normal Maintenance Schedule
Explanation of Scheduled Maintenance ItemsHyundai Tucson (NX4) 2022-2026 Service Manual: Heated Oxygen Sensor (HO2S)
- Description
Heated Oxygen Sensor (HO2S) consists of zirconium and alumina and is
installed on upstream and downstream of the Warm up Catalytic Converter
(WCC).After it compares oxygen consistency of the atmosphere with the
exhaust gas, it transfers the corresponding voltage signal to the ...
Hyundai Tucson (NX4) 2022-2026 Service Manual: PTC Heater
- Description
The PTC (Positive Temperature Coefficient) heater is installed at the
exit or the backside of the heater core.The PTC heater is an electric
heater using a PTC element as an auxiliary heating device that
supplements deficiency of interior heat source in highly effective
diese ...