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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 vehicle independently jerked the vehicle and caused the front driver side of the vehicle to crash into a fence. No warning lights were illuminated. The air bags were not deployed. The vehicle was taken back to the residence. A police report was filed. The vehicle was not diagnosed or repaired. The manufacturer was not notified of the failure. The failure mileage was approximately 465.

KIA K4 2026 TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS

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 steering wheel steered to the right, overcorrecting his steering efforts. The contact state that the inadvertent braking and steering nearly caused the vehicle to crash and almost resulted in the vehicle being rear-ended by another vehicle. The vehicle was taken to a dealer where it was diagnosed that the vehicle  operating normally and there was no failure replicated. The manufacturer was notified of the failure and multiple complaints were filed. The failure mileage was unknown.

KIA K4 2026 FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL

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 ranks low in safety. Thankfully my daughter was not with me at the time.

KIA K4 2026 UNKNOWN OR OTHER

Sometimes when Iâm driving the steering wheel just jerks to the left sometimes causing me to swerve into incoming traffic. Itâs very scary. Luckily Iâm holding tight to the steering wheel to keep myself from hitting someone.

KIA K4 2026 LANE DEPARTURE: WARNING

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 maintain control of the vehicle. Blind Spot / Reverse Detection Malfunction: When shifting the vehicle into reverse, the dashboard display indicated that no vehicle was present. However, when visually checking my driver-side mirror, there was clearly a vehicle immediately adjacent to my car. The system failed to detect or warn of the nearby vehicle, creating a significant near missed accident and safety risk.

KIA K4 2026 FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING

2026 Kia K4 — vehicle data sourced from FuelEconomy.gov.

The 2026 Kia K4 is a certified midsize sedan offering a balanced blend of efficiency and performance. With its 1.6L turbocharged engine and 8-speed automatic transmission, it delivers 190 horsepower and 28 MPG combined, making it a practical choice for daily driving.

	2025	2026
Price	—	—
Engine Capacity	1.6L	1.6L
Fuel Type	Regular	Regular Gasoline
Transmission	Automatic (S8)	8-speed automatic
Body Type	Midsize Cars	Sedan

Kia K4 (2026) Specifications