Diagsheet

2025 Kia Carnival · symptom sheet

Battery dies or the car will not start

  • 61owner reports
  • 0involved a crash

Newest report May 11, 2026 · checked Sep 9, 2026

82 of the 122 complaints on this car are about the electrical system. 61 of those describe dead battery, which makes it the most reported problem on the 2025 Carnival.

Tick what matches of 61 reports

28
25
15
18
35
2

What got replaced

Owners who name the part that was replaced mention the battery (60 reports).

Recalls and investigations

No recall on the electrical system covers the 2025 model year as of Sep 9, 2026.

When it happens

Too few of these reports state a mileage to give a range.

5124
725
326

What owners wrote

“My bran new 2025 with 3,000 miles has a completely dead battery. The Kia roadside assistance person was unable to jump start it.”

Filed Aug 16, 2024 · 3,000 miles

“I have a dead brand new car after not driving it for 3 days. And, the dealer is unable to tell me how to get into it because the key fob does not have a physical key in it. This appears to be a slow battery draining issue that is being reported heavily online it appears on Reddit, Facebook and multiple forums related to the 2025 Kia Carnival EX and SXP.”

Filed Aug 5, 2024

“Parasitic battery drain. Battery dead at 244 miles when left in garage for two nights with no explanation of drain.”

Filed Aug 5, 2024

“Battery died within 2 days on purchasing vehicle. Took to the the dealer and they replaced the battery but said to keep key fob away 32 ft at night. I carry around a portable charger with me since so many other people are having this issue if not worse.”

Filed Aug 2, 2024

Should you keep driving it?

This page can't tell you that. 0 of 61 reports involved a crash. Owners who file are the ones who had a bad experience, and nobody checks their reports. If the problem affects steering, braking, power or a fire risk, treat it as a safety fault and have it inspected before a long or high-speed drive.

File your own report with NHTSA. Complaint counts are how a problem gets an investigation.