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 ...

Engine oil and oil filter
Checking the engine oil level 1. Be sure the vehicle is on level ground. 2. Start the engine and allow it to reach normal operating temperature. 3. Turn the engine off and wait for a few min ...

Battery
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 t ...