Go to www.heatedseatkits.com, buy the appropriate kit, and follow the instructions on the site. If you're uncomfortable doing that, go to a shop that does car upholstery and ask them to do it.
Many toyota models offer heated seats
The 2011 Toyota Camry has 15.0 cu.ft. of cargo capacity with all of its seats in place.
The 2007 Toyota Camry has 15.0 cu.ft. of cargo capacity with all of its seats in place.
The 2008 Toyota Camry has 15.0 cu.ft. of cargo capacity with all of its seats in place.
The 2006 Toyota Camry has 16.7 cu.ft. of cargo capacity with all of its seats in place.
The 2014 Toyota Camry has 15.4 cu.ft. of cargo capacity with all of its seats in place.
The 2005 Toyota Camry has 16.7 cu.ft. of cargo capacity with all of its seats in place.
The 2003 Toyota Camry has 16.7 cu.ft. of cargo capacity with all of its seats in place.
The 2013 Toyota Camry has 15.4 cu.ft. of cargo capacity with all of its seats in place.
The 2001 Toyota Camry has 14.1 cu.ft. of cargo capacity with all of its seats in place.
The 2002 Toyota Camry has 16.7 cu.ft. of cargo capacity with all of its seats in place.
The 2012 Toyota Camry has 15.4 cu.ft. of cargo capacity with all of its seats in place.