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 2019-2021 Owner's Manual: Tire replacement

If the tire is worn evenly, a tread wear Indicator (A) will appear as a solid band across the tread. This shows there is less than 1.6 mm (1/16 inch) of tread left on the tire. Replace the tire when this happens. Do not wait for the band to appear across the entire tread before replacing the ...

Kia Optima DL3 2019-2021 Service and Repair Manual: ETC (Electronic Throttle Control) System

Specifications Specification Throttle angle (°) Output voltage (V) [Vref = 5.0V] TPS1 TPS2 0 0.5 4.5 10 0.96 4.05 20 ...