One problem related to vehicle overheat has been reported for the 2017 Toyota Highlander. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2017 Toyota Highlander based on all problems reported for the 2017 Highlander.
I was driving the vehicle when a bell sounded and on the dash it indicated the car was over heating. I was going about 35 mph through a town. I had been driving through the mountains prior to this happening.