Kia Optima: MAINTENANCE UNDER SEVERE USAGE CONDITIONS (T-GDI ENGINE)The following items must be serviced more frequently on cars mainly used under severe driving conditions. Refer to the chart below for the appropriate maintenance intervals.
R : Replace

SEVERE DRIVING CONDITIONS
A - Repeatedly driving shorts distanse of less than 8 km (5 miles) in
normal temperature or less than 16 km (10 miles) 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 32°C (90°F)
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 - Frequently driving in stop-and-go conditions
Chassis and body
Explanation of scheduled maintenance itemsAudio system
✽ NOTICE
If you install an after market HID head lamp, your vehicle’s audio and electronic
device may malfunction. ...
Automatic heating and air conditioning
The automatic climate control system is controlled by simply setting the desired
temperature.
The Full Automatic Temperature Control (FATC) system automatically controls the
heating and cooling ...
Manual Antenna
Your car uses a manual stainless steel antenna to receive both AM and FM broadcast
signals. Pull up the antenna using your fingers, as shown in the drawing.
✽ NOTICE
Before entering an au ...