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Vehicle speed controlPart report

2016 Toyota Prius Vehicle speed control Problems

Complaints
14about this part
Share
9%of 155 total for the year
Median mileage
13,250miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 14 complaints about the vehicle speed control of the 2016 Toyota Prius, 9% of the 155 complaints for this model year. Where a mileage was given, the median is 13,250 miles. 3 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.

“I've noticed a few times while driving that my Prius started accelerating when my foot was off the pedal. It hasn't caused an accident or anything too scary yet but it is disconcerting. I noticed others had complained about this and wanted to add that I seem to be experiencing the issue too. It's possible it's just my vehicle specifically; I've not had time to take it to a mechanic yet.”

NHTSA complaint #11376074, filed 2020-11, 44,000 miles

“The 2016 Prius 4 doesn't come with the ability to change miles to kilometers unless you are aware that it is an option you have to buy which neither salesmen or Toyota technical assistance is aware of. I have not been able to find anyone who can tell me whether this option can be added but so far it appears that it is.”

NHTSA complaint #10864287, filed 2016-05, 180 miles

“I purchased a new 2016 Prius four on february 16, 2016. The literature on the Toyota factory website says my Prius is equipped to switch from english to metric units. Unfortunately, Toyota failed to disclose that any Prius manufactured in january and february and delivered to the united states did not have this feature working correctly. Without the ability to switch to metric units, by government mandate, my Prius does not meet canadian motor vehicle safety regulations. …”

NHTSA complaint #10937393, filed 2016-12, 97 miles

“The vehicle does not report speed in kph, only in MPH. This means that every time I cross into canada with this vehicle, I have difficulty discerning whether I am following all vehicle safety and traffic laws or maintaining a safe speed. To repeat, while every other vehicle I have ever owned has a speedometer that reads in both english and metric units, this vehicle does not. It reports speed in MPH *only*. This is fine in the united states, but every time I cross into canada I'm left guessing.”

NHTSA complaint #10986268, filed 2017-05, 12,000 miles

“Spontaneous acceleration incident. I was slowly pulling into a parking space in a parking garage. As I straightened it out to complete the maneuver, the car took off on its own and hit the wall of the parking garage there was some damage to the front end. A similar incident occurred once before with no damage. Toyota has had recalls in prior years for this problem - broken throttle return switch - but they insist this isn't the problem here. Essentially they are claiming this didn't happen, that what I experienced with the car just taking off on its own didn't happen. …”

NHTSA complaint #11372683, filed 2020-11, 14,500 miles

Related service bulletins

Vehicle speed control: other model years

YearComplaintsShare of year
202516%
202427%
202214%
2021117%
202017%
2019413%
2018411%
20171314%
2016149%
201574%
2014147%
2013225%
2012133%
2011285%
201028710%
20097114%
200815610%
20071246%
2006846%
200510910%
2004529%
200355%
2002127%
20012515%

Other parts of the 2016 Toyota Prius

Visibility (wipers, defrost, mirrors)
41 complaints
Other or unknown
31 complaints
Brakes
20 complaints
Electrical system
20 complaints
Engine
17 complaints
Transmission and drivetrain
15 complaints
Body and structure
11 complaints
Air bags
7 complaints
Tires
7 complaints
Fuel system
6 complaints
Suspension
5 complaints
Wheels
4 complaints

← All problems reported for the 2016 Toyota Prius

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