2023 Toyota Highlander Visibility (wipers, defrost, mirrors) Problems

“The rear window on my car spontaneously shattered as I was driving. This was in light rain on the freeway. I had turned the rear-window defrost on at the beginning of my 20 minute drive to work in the dark at 5:30AM . When I was almost at my destination, I heard a noise and looked in the rear view mirror to see my rear window had shattered. My car is just three years old with about 30,100 miles on it. I drove to the dealer, waited until they opened, and they evaluated - saying it would take $1300 and three days to fix. …”

“23 Toyota Highlander was in for a routine 10K Mile Oil Change and additional key programming. When I was notified the vehicle was done and taking delivery the vehicle came into the delivery area with the drivers mirror folded away from the car damaged. I asked the delivery driver about it and she immediately called over a manager. Mike Moffitt, Service Quality Control Specialist, came out and greeted me. He acknowledged the damage and documented the damage and said he would arrange a fix for in the next few days. …”

“The contact owns a 2023 Toyota Highlander. The contact stated that while attempting to start the vehicle, the driver’s and passenger’s side mirrors moved downward independently, causing the contact to manually adjust the side mirrors. A dealer was contacted. The vehicle was taken to the dealer to be diagnosed; however, the diagnostic result was unknown. The vehicle was not repaired. The manufacturer was not notified of the failure. The failure mileage was 28,000.”

“Noticed side view mirrors vibrate at speeds above 25 mph and on highway speeds. Driver side mirror has much noticeable vibration when looking at it to make lane changes. Vibration makes it hard to focus and view other vehicles on the road and possibly a safety concern. When taken to dealership, technician could not duplicate the concern and did not found mirror to be loose. I also noticed that tapping from inside the front driver or passenger door creates similar vibration of side mirrors. …”

“Driver's side mirror has been vibrating since vehicle purchase. The issues causes vibration / shaking of the driver's side rearview mirror creating blurry traffic (in the mirror) at highway speed and is a serious safety concern. Dealership claims it is due to attachment of a blind spot mirror on my vehicle. However there are hundreds of posts online of other people discussing / complaining about this exact same issue on Toyota Highlanders and Rav4. Other people are also reporting dealers claiming there is no fix. …”