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Lubricant specifications
Recommended lubricants To help achieve proper engine and powertrain performance and durability, use only lubricants of the proper quality. The correct lubricants also help promote engine efficiency ...

A COMFORTABLE AND SOFT RIDE (TOO SOFT)
Behind the wheel of the new Optima it’s easy to point out several more faults – although there are certainly some positive aspects to the driving experience as well. On the down-size, the ca ...

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 ...