Kia Optima: Specifications & Consumer information / Vehicle certification label

Vehicle identification number (VIN)

■ Frame number The vehicle identification number (VIN) is the number used in registering your vehicle and in all legal matters pertaining to its ownership, etc. The number is punched on the fr ...

Tire specification and pressure label

The tires supplied on your new vehicle are chosen to provide the best performance for normal driving. The tire label located on the driver's side center pillar gives the tire pressures recommen ...

Other information:

Kia Optima DL3 2019-2025 Owner's Manual: Sunroof inside air recirculation, Fan speed control

Sunroof inside air recirculation The outside (fresh) air position is automatically selected, when the sunroof is opened. When you select the recirculated air position, the system maintains the recirculated air position for 3 minutes and then automatically converts to the outside (fresh) air ...

Kia Optima DL3 2019-2025 Service and Repair Manual: Ignition System

Description and operation Description Ignition timing is controlled by the electronic control ignition timing system. The standard reference ignition timing data for the engine operating conditions are pre-pro grammed in the memory of the ECM (Engine Control Module). The engine ...