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Check your tires once a month or more.
Also, check the tire pressure of the spare tire.
Use a good quality gauge to check tire pressure. You can not tell if your tires are properly inflated simply by looking at them. Radial tires may look properly inflated even when they're underinflated.
Check the tire's inflation pressure when the tires are cold. - "Cold" means your vehicle has been sitting for at least three hours or driven no more than 1.6 km (1 mile).
Remove the valve cap from the tire valve stem. Press the tire gauge firmly onto the valve to get a pressure measurement. If the cold tire inflation pressure matches the recommended pressure on the tire and loading information label, no further adjustment is necessary. If the pressure is low, add air until you reach the recommended amount.
If you overfill the tire, release air by pushing on the metal stem in the center of the tire valve. Recheck the tire pressure with the tire gauge. Be sure to put the valve caps back on the valve stems. They help prevent leaks by keeping out dirt and moisture.
Kia Stinger (CK) 2018-2023 Owner's Manual: Wheel
Repair procedures Hub nut tightening sequence Tighten the hub nuts as follows. Tightening torque: 107.9 - 127.5 N·m (11.0 - 13.0 kgf·m, 79.6 - 94.0 lb·ft) When using an impact gun, final tightening torque should be checked using a torque wrench.Kia Stinger (CK) 2018-2023 Owner's Manual: Electric power steering (EPS)
The power steering uses a motor to assist you in steering the vehicle. If the engine is off or if the power steering system becomes inoperative, the vehicle may still be steered, but it will require increased steering effort. The EPS is controlled by a power steering control unit which senses the steering wheel torque and vehicle speed to command the motor.