See also:

Introduction
How to use this manual Vehicle handling instructions Vehicle break-in process ...

Smart key
With a smart key, you can lock or unlock a door (and tailgate) and even start the engine without inserting the key. The functions of the buttons on a smart key are similar to the remote keyless ...

Roomy New Interior
However, the Optima's quiet new interior is more upscale and will accommodate four tall adults, or five in a pinch. Front seats are supportive, and the rear-seat area is impressively roomy—alt ...