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6 complaints
KIA K4 2026 TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS
high
The contact owns a 2026 Kia K4. The contact stated while her daughter was driving at approximately 25 MPH, the lane assist feature was diabled however, the contact attempted to avoid a dog and the veh
NHTSAUSMay 2026Source →
KIA K4 2026 FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL
high
The contact owns a 2026 Kia K4. The contact stated that on several occasions while driving at various speeds with the smart cruise control activated, the brake was applied inadvertently and the steeri
NHTSAUSMay 2026Source →
KIA K4 2026 UNKNOWN OR OTHER
high
My car was brand new with only 1442 miles. I was hit in the rear passenger side at a four way stop, this was not much force, however I was injured and my car was deemed a total loss. I fear this car r
NHTSAUSMay 2026Source →
KIA K4 2026 LANE DEPARTURE: WARNING
low
Sometimes when I’m driving the steering wheel just jerks to the left sometimes causing me to swerve into incoming traffic. It’s very scary. Luckily I’m holding tight to the steering wheel to kee
NHTSAUSApr 2026Source →
KIA K4 2026 FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING
medium
Steering Instability: The steering wheel would periodically veer to the right and left on its own without my input. This created an unsafe driving condition and required constant correction to maintai
NHTSAUSFeb 2026Source →
KIA K4 2026 VEHICLE SPEED CONTROL
low
transmission stopped working when the vehicle was used under 200 miles.
NHTSAUSFeb 2026Source →