One problem related to speed control cable has been reported for the 2008 Toyota Highlander. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2008 Toyota Highlander based on all problems reported for the 2008 Highlander.
The spiral cable in the steering wheel has caused the airbag light to come on, which means the airbags will not operate in the event of a crash. Also the horn and cruse control will not operate. These items are all associated with the spiral cable. Toyota customer service said they know of the spiral cable problem but do not have a fix for it now.