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 ...

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 ...

Economical operation
Your vehicle's fuel economy depends mainly on your style of driving, where you drive and when you drive. Each of these factors affects how many kilometers (miles) you can get from a liter (gallon ...