Here are some links that show you how to do some basic maintenance on your Toyota. Many of these maintenance tips apply to all makes and models:
Here is 4x4wire's guide to maintenance and it is filled with all sorts of 'how tos':
http://www.4x4wire.com/toyota/maintenance/
Here is About.com link which also contains many other valuable links:
http://4wheeldrive.about.com/od/toyo...t_Yourself.htm
Winter is a critical time of year to have your rig running right.