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 ...

Ignition switch
Ignition switch and anti-theft steering column lock Ignition switch position LOCK The steering wheel locks to protect against theft. The ignition key can be removed only in the LOCK position. ...

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 ...