Kia Optima: Specifications & Consumer information / 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
recommended for your vehicle.
The vehicle certification label attached on the driver’s side center pillar gives
the vehicle identification number (VIN). ...
■ Gasoline engine (THETA 2.4L GDI)
The engine number is stamped on the engine block as shown in the drawing.
...
Other information:
✽ NOTICE
Maintenance Service and Record Retention are the owner's responsibility.
You should retain documents that show proper maintenance has been performed
on your vehicle in accordance with the scheduled maintenance service charts shown
on the following pages. You need this information to ...
Loss of the smart key
A maximum of 2 smart keys can be registered to a single vehicle. If you happen
to lose your smart key, you will not be able to start the engine. You should immediately
take the vehicle and remaining key to your authorized Kia dealer (tow the vehicle,
if necessary) to pro ...