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 vehicle is being driven in severe conditions, more frequent oil an ...

Competitive Warranty
The 2009 Kia Optima is covered by Kia's comprehensive warranty program, which offers unprecedented consumer protection. Included in this program are a 10-year/100,000-mile limited powertrain warra ...

Knowing your vehicle
Keys Remote keyless entry Theft-alarm system Immobilizer system Door locks Windows Seat Safety belts Air bags-supplemental restraint system Trunk Hood Fuel filler lid Mirrors Interior lig ...