See also:

Explanation of scheduled maintenance items
Engine oil and filter The engine oil and filter should be changed at the intervals specified in the maintenance schedule. If the car is being driven in severe conditions, more frequent oil and fi ...

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. ...

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 ...