See also:

Interior Refinement
The style makeover continues into the Optima's cabin with expanded electronics melded with refreshed fascia patterns and color schemes. Based on a new platform, the standard audio system features ...

Air cleaner
Filter replacement It must be replaced when necessary, and should not be washed. You can clean the filter when inspecting the air cleaner element. Clean the filter by using compressed air. 1 ...

Windshield defrosting and defogging
Manual climate control system To defog inside windshield 1. Select any fan speed except “0”. 2. Select desired temperature. 3. Select the or position. 4. The outside (fresh) air position is ...