This is basically an "oil change reminder" light. Check your manual on how to reset it.
The 2010 Toyota Highlander has free maintenance for 2 yr./ 25000 mi..
The 2009 Toyota Highlander has free maintenance for 2 yr./ 25000 mi..
The 2012 Toyota Highlander has free maintenance for 2 yr./ 25000 mi..
The 2014 Toyota Highlander has free maintenance for 2 yr./ 25000 mi..
The 2013 Toyota Highlander has free maintenance for 2 yr./ 25000 mi..
It is possible that a check engine light on a Toyota Highlander will come on if the coolant level is low. Usually, though, there is another light that will come on that says 'low coolant' on some older Toyota's.
The 2011 Toyota Highlander-Hybrid has free maintenance for 2 yr./ 25000 mi..
The 2010 Toyota Highlander-Hybrid has free maintenance for 2 yr./ 25000 mi..
The 2011 Toyota Highlander-Hybrid has free maintenance for 2 yr./ 25000 mi..
The 2009 Toyota Highlander-Hybrid has free maintenance for 2 yr./ 25000 mi..
The 2014 Toyota Highlander-Hybrid has free maintenance for 2 yr./ 25000 mi..
The 2013 Toyota Highlander-Hybrid has free maintenance for 2 yr./ 25000 mi..