2010 Toyota Highlander Owners Manual - Page 1461
2010 Toyota Highlander Manual
Page 1461 highlights
2-4. Using other driving systems Downhill assist control system (4WD models only) With the downhill assist control system, the vehicle is able to descend a steep hill, maintaining a constant low speed of about 3 mph (5 km/h) without brake pedal operation.
We apologize, but we cannot currently deliver this PDF manual by request of the manufacturer.
We apologize for any inconveniece.