All tire pressures (including the spare) should be checked when the tires are cold. “Cold Tires” means the vehicle has not been driven for at least three hours or driven less than 1.6 km (one mile).
Recommended pressures must be maintained for the best ride, top vehicle handling, and minimum tire wear.
For recommended inflation pressure refer to “Tire and wheels” in chapter 8.

All specifications (sizes and pressures) can be found on a label attached to the driver’s side center pillar.
WARNING - Checking the tire inflation pressure
Inflate your tires consistent with the instructions provided in this manual.
Regularly check the tire inflation pressure, and correct it as needed: at least twice a month and before a long trip.
If you fail to observe this precaution, you may be driving on tires with incorrect tire pressures, a condition that may not only compromise your vehicle's driving stability, but also lead to tire damage and the risk of an accident.
This risk is much higher on hot days and when driving for long periods at high speeds.
Kia Stinger (CK) 2018-2023 Owner's Manual: Specifications
Service data Service Data Purge Control Solenoid Valve (PCSV) ▷ Specification Item Specification Coil Resistance (Ω) 18.5 - 22.5 [20°C(68°F)] Tightening torque Tightening Torques Item kgf·m N·m lb·ft Positive crankcase ventilation valve 0.Kia Stinger (CK) 2018-2023 Owner's Manual: Changing a tire with TPMS
If you have a flat tire, the Low Tire Pressure telltale will come on. Have the flat tire repaired by an authorized Kia dealer as soon as possible or replace the flat tire with the spare tire. CAUTION - Repair Agents Never use a puncture-repairing agent not approved by Kia to repair and/or inflate a low pressure tire. The sealant not approved by Kia may damage the tire pressure sensor.