See also:

Climate control air filter
Filter inspection If the vehicle is operated in severely airpolluted cities or on dusty rough roads for a long period, it should be inspected more frequently and replaced earlier. When you replac ...

Manual climate control system
1. Fan speed control knob 2. Air intake control button 3. Mode selection knob 4. Temperature control knob 5. Air conditioning button (if equipped) Heating and air conditioning 1. Start the ...

Roomy New Interior
However, the Optima's quiet new interior is more upscale and will accommodate four tall adults, or five in a pinch. Front seats are supportive, and the rear-seat area is impressively roomy—alt ...