Kia CERATO 2018 Owner's Manual page 565

NOTICE
• We recommend that when replacing tires, use the same originally supplied with the vehicles.
If not, that affects driving performance.
• When driving in high altitude grades, it is natural for the atmospheric pressure to decrease.
Therefore, please check the tire pressure and add more air when necessary.
Additionally required tire air pressure per km above sea level: (1.5 psi)/km
9
9-09