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Hyundai Tucson "ESC OFF" Light
And I really needed the ECS. It was a combination of rain/snow/sleet with about 2 inches of slush on the road and just the tire marks in the lanes. It was three lanes of traffic with everybody from little old ladies barely moving to hotshots humping the speed limit. Eight inches of slush on the shoulders. Temperature dropping.
This really disturbed me. What did ECS OFF mean?
(1) Was the ABS working (Yes, I tested that when I got off the highway with the ESC OFF light still illuminated. ABS was functional.)
(2) If the front wheels lost traction, would the rear wheels come to the rescue??? I tried to test this by stopping, cutting the wheels and hitting the gas. I think the rear wheels started to drive but I had to stop my testing because of traffic.
(3) When I got home (safely) I pulled the manual and it said shut off the engine and restart it to see of the light went off. It did.
So now, what the do I do? I paid for ESC but it failed the first time I needed it.
Also, is ther a good description of how this ESC works? Something more than the manual?
Edmunds Answers: Hyundai Tucson ESC Light Questions