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Vehicle speed controlPart report

2021 Kia Sedona Vehicle speed control Problems

Complaints
2about this part
Share
20%of 10 total for the year
Median mileage
6,800miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 2 complaints about the vehicle speed control of the 2021 Kia Sedona, 20% of the 10 complaints for this model year. Where a mileage was given, the median is 6,800 miles.

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.

“Date of incident: 22 apr 2021, thursday description of incident: while driving on cruise control at 45 MPH on a well-paved two-lane road with no other vehicles or obstacles present in either lane, the vehicle suddenly automatically decelerated sharply, causing the front end to plunge. Simultaneously, several alerts, both in words and symbols flashed on the dash. These included 'check collision alert' and lights showing a skidding vehicle and a second showing the front of a vehicle in a crash. …”

NHTSA complaint #11414324, filed 2021-04, 6,800 miles

“We purchased a brand-new 2021 Kia Sedona in 2021. Since January, we’ve been experiencing an intermittent but serious issue where the vehicle refuses to accelerate or shift beyond a certain point. This issue has put us in dangerous situations multiple times. One incident occurred while crossing a fast-moving, single-lane road—our vehicle would not accelerate to the appropriate speed, placing us at serious risk. On another occasion, while merging onto a highway, the car failed to accelerate, and we feared being rear-ended due to our inability to keep up with traffic. …”

NHTSA complaint #11667589, filed 2025-06

Vehicle speed control: other model years

YearComplaintsShare of year
2021220%
201913%
201812%
201721%
201652%
201521%
201438%
201276%
201158%
2010413%
2009715%
20083822%
20072113%
2006226%
2005116%
2004127%
2003138%
2002189%

Other parts of the 2021 Kia Sedona

Electrical system
2 complaints
Engine
2 complaints
Other or unknown
2 complaints
Tires
2 complaints
Air bags
1 complaints
Exterior lighting
1 complaints
Forward collision avoidance
1 complaints
Lane departure
1 complaints
Seat belts
1 complaints
Body and structure
1 complaints

← All problems reported for the 2021 Kia Sedona

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 30, 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