5.6

fairly significant
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
16,000 miles

About These NHTSA Complaints:

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.

2015 Toyota Highlander Hybrid engine problems

engine problem

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2015 Toyota Highlander Hybrid Owner Comments

problem #1

Oct 192017

Highlander Hybrid

  • 16,000 miles

A D V E R T I S E M E N T S

I unknowingly failed to turn off my car last night. It has a keyless ignition (fob) and sets off an alarm when left on. Unfortunately, last night my husband arrived home at the same time and between 2 garage doors closing and excited, barking dogs I didn't hear the alarm. We went to bed shortly thereafter. My husband woke up very early and heard our carbon monoxide detector going off in the garage. When he opened the door he discovered it was very hot and the detector was registering high levels of cm. He opened the garage doors and windows in the house. I have since researched this. Several people have died under the same circumstances. I feel lucky. The car is a hybrid so it was alternating all night between the engine and the battery. We also had a cm detector in the garage which is not legally required. The manufacturers need to have an automatic shutoff for the keyless systems or many more innocent people will die. Please fix this now.

- Amherst, MA, USA

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