2012 Toyota Highlander Owners Manual - Page 483
2012 Toyota Highlander Manual
Page 483 highlights
4 -3 . Do-it -yourse lf m a int e na nc e Light bulbs You may replace the following bulbs yourself. The difficulty level of replacement varies depending on the bulb. If necessary bulb replacement seems difficult to perform, contact your Toyota dealer. For more information about replacing other light bulbs, contact your Toyota dealer.