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Vehicle speed controlPart report

2026 Kia K4 Vehicle speed control Problems

Complaints
2about this part
Share
15%of 13 total for the year
Median mileage
—not reported
Trend
Too newThis model year is less than 4 years old, so a trend is not meaningful yet.

NHTSA recorded 2 complaints about the vehicle speed control of the 2026 Kia K4, 15% of the 13 complaints for this model year. 1 of these say a crash was involved, according to the filers.

Fewer than 15 complaints name this part, so treat the figures as a rough indication only.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“Driving home, the entire screen flickered, then went out, when it came back the drivers assist lane assist kicked in and the car steered itself into oncoming traffic, which forced an oncoming car in front had to lock its brakes to avoid a collision. Then after forcing the steering out of the incoming lane, the lane assist came back on causing collision with the curb in the opposite direction. After resetting the computer with a pin, and watching the screen flicker and blink, it came back on and now the car is parked at home. …”

NHTSA complaint #11767387, filed 2026-09

Vehicle speed control: other model years

YearComplaintsShare of year
2026215%
202549%

Other parts of the 2026 Kia K4

Other or unknown
5 complaints
Steering
5 complaints
Lane departure
4 complaints
Electrical system
2 complaints
Forward collision avoidance
2 complaints
Air bags
1 complaints
Engine
1 complaints
Body and structure
1 complaints
Tires
1 complaints

← All problems reported for the 2026 Kia K4

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology