This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.
So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.
On June 6, 2019 at approximately 6 pm my vehicle experienced unintended acceleration. I was driving at 15 mph and it accelerated to 40-50 mph. Braking did not slow down the vehicle. I jumped the curb and hit three small trees. It came to a halt after undercarriage damage had been sustained. It was towed to cummings mobility where I purchased the vehicle. They could not determined what caused the unintended acceleration.
In cold temperatures, this vehicle model (according to the dealer) does not shift into overdrive right away when driving from a cold-start. This causing a momentary acceleration when braking and presents an unexpected safety issue. I have found this issue posted on several car forums and it appears to affect more than just the 2016 model Sienna, but does not trigger a fault of any kind.
- Lombard, IL, USA
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- Minneapolis, MN, USA