The car will not accelerate past 31 mph no matter the gas petal position, during cold mornings. Downhill or uphill, in any “drive mode” it will not go past 31 with the petal all the way down. Acceleration onto a highway is impossible. Stopping and restarting the entire vehicle seems to reset this and allow for speed over 31mph. This has happened 5-6 separate times when the temperature is below…
2026 Kia Carnival cruise control problems
moderate 3 complaints filed with NHTSA · avg repair $600 · see cruise control across all vehicles →
Complaints
3
Recalls
0
Avg fix
$600
What owners are reporting 3 most recent
System failure the warning lights on dash went crazy all of them flashing Speedometer wouldn’t work, lights won’t work, camera system won’t work, abs won’t work, tailgate won’t open, side doors won’t open, heat/ac controls stop working , windshield wipers stop working. They had 20 error codes the first time this happened Yes vehicle has been in shop 2 different times This happened the first…
On Dec 12th the speedometer repeatedly showed very incorrect values, both displaying much faster than the vehicle was traveling and displaying zero when the vehicle had accelerated. We have not been able to replicate the issue. And it went away after shutting down and restarting the vehicle. The vehicle has not yet been inspected by anyone. From a safety perspective the speedometer accuracy is…
Had cruise control trouble with your 2026 Kia Carnival?
File a complaint with NHTSA → It's free, official, and how every report above got here — owner filings are the federal safety record this page is built on.
Common questions
How serious is the cruise control problem on the 2026 Kia Carnival?
It's a documented issue but not catastrophic. 3 complaints have been filed. Repairs average $600 and most owners catch it before it causes a breakdown.
At what mileage does the cruise control typically fail?
Mileage data is limited for this issue. Owners report failures across a wide range, suggesting cause is more about driving conditions and maintenance than mileage alone.
What does it cost to fix?
Independent shops typically charge around $600 for cruise control repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to cruise control?
No active recalls currently cover cruise control issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.
Related
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Verify the raw federal record at
nhtsa.gov/vehicle/2026/Kia/Carnival.
Severity ratings are derived from reported crashes, fires, injuries, and fatalities. Repair cost estimates are
independent-shop national averages and may differ in your area. Some links on this page are affiliate links.