Maintenance under Severe Usage Conditions
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 I : Inspect and, after inspection, clean, adjust, repair or replace if necessary

SEVERE DRIVING CONDITIONS
A - Repeatedly driving short distance of less than 5miles (8km) in normal temperature or less than 10miles (16km) 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 100 MPH (170 Km/h) K - Frequently driving in stop-and-go conditions
See also:
Use Approved Anti-Freeze in Window Washer System
To keep the water in the window washer system from freezing, add an approved
anti-freeze solution in accordance with instructions on the container. Window washer
anti-freeze is available from Hyun ...
For best battery service
• Keep the battery securely mounted.
• Keep the battery top clean and dry.
• Keep the terminals and connections clean, tight, and coated with petroleum jelly
or terminal grease.
• Rinse any spi ...
SIX-SPEED AUTOMATIC AND MANUAL TRANSMISSIONS
Hyundai's commitment to making the Hyundai Sonata extremely fuel efficient
continues with a six-speed automatic transmission with SHIFTRONIC manual control
or a standard six-speed manual transaxle ...


