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 2019-2023 Owner's Manual: Brake system

Power brakes Your vehicle has power-assisted brakes that adjust automatically through normal usage. In the event that the power-assisted brakes lose power because of a stalled engine or some other reason, you can still stop your vehicle by applying greater force to the brake pedal than you n ...

Kia Optima DL3 2019-2023 Owner's Manual: Recharging the battery

Your vehicle has a maintenance-free, calcium-based battery. If the battery becomes discharged in a short time (because, for example, the headlamps or interior lamps were left on while the vehicle was not in use), recharge it by slow charging (trickle) for 10 hours. If the battery gradual ...