Table 1 shows four common lane departure related problems of the 2021 Toyota Highlander. The number one most common problem is related to the blind spot detection (three problems). The second most common problem is related to the assist (three problems).
| Problem Category | Number of Problems |
|---|---|
| Blind Spot Detection problems | |
| Assist problems | |
| Warning problems | |
| Lane Keep Automatic Steering problems |
Four days after I took delivery of this used vehicle (April 25, 2026), multiple warning lights appeared at once: brake, abs, park, check engine, blind spot monitor unavailable, and rcta off. An independent Toyota dealership diagnosed the vehicle April 27-28, 2026 (approx. Read details...
2021 Toyota Highlander ua80 transmission failed at 100,000 miles. Codes p2808, p0741. Matches Toyota TSB-0160-18 and t-sb-0008-21. Dealer alexander Toyota and tms brand engagement denied goodwill. Tms rep stated "tsbs don't matter" despite pending class action pallaya v Toyota, case Read details...
I consider this a vehicle safety issue. Was on the freeway, center lane of a 3 lane highway. The vehicle to my left began to move into my lane. I had to quickly move to my right, activating my lane departure and steering assist. Read details...