Kia Optima: Vehicle Identification Number (VIN)
This is the legal identifier for your vehicle. It appears on a plate attached to the left side of the forward portion of the dashboard. The VIN plate can be easily seen from the outside of the vehicle through the windshield on the driver’s side.
Vehicle Certification Label (MVSS Label)Installation of a Mobile Two-Way Radio System
If a mobile two-way radio system is installed improperly, or if an excessively
powerful type of system is used, other electronic systems may be adversely affected.
To avoid damage to your vehicle, ...
Changing the engine oil and filter
Have engine oil and filter changed by an
authorized Kia dealer according to the
Maintenance Schedule at the beginning
of this section.
WARNING
Used engine oil may cause irritation
or cancer ...
Power Windows
The ignition switch must be in the ON position for power windows to operate.
Each door has a power window switch that controls that door’s window. However, the
driver has a power window switch w ...