Severe Maintenance Schedule
The following items must be serviced more frequently on vehicles mainly used under severe driving conditions. Refer to the table below for the appropriate service intervals.
A: Replace
I: Inspect and, if necessary, adjust, repair, clean or replace

NOTICE
After 10 years or 100,000 miles, we recommend performing the severe maintenance schedule.

Severe Driving Conditions
A. Repeated short trips of less than 5 miles (8 km) in normal temperature or less than 10 miles (16 km) in freezing temperature
B. Extended engine idling or low-speed driving over long distances
C. Driving on rough, dusty, muddy, unpaved, gravel or salted roads
D. Driving in areas using salt or other corrosive materials or in very cold weather
E. Driving in conditions where sand or dust may enter the engine
F. Driving in heavy traffic areas
G. Driving on hills, downhill or mountain roads
H. Towing a trailer or camper, or driving with a roof rack load
I. Driving a police car, taxi, commercial vehicle or towing a vehicle
J. Frequent high-speed driving or rapid acceleration/braking
K. Frequent driving in stop-and-go conditions
L. Using engine oil that is not recommended (mineral, semi-synthetic, lower class specification, etc.)
Test yourself
A quick Hyundai Tucson quiz: every answer comes with an explanation and a link to the manual page.