After you turn them on, don't slide your hand under the blankets and expect it to be toasty warm like an electric blanket. They're only about 150 watts (about the same as a large light bulb). But once your in bed, it's amazing how much good it does.
1988 Coleman Sequoia - popup (1987-2007)
2012 Roo19 - hybid (2012-2015)
2016 Mini Lite 2503S - tt (2015 - ???)
2011 Traverse LT, 3.6L, FWD
2009 Silverado Ext Cab, 5.3L, 4x4, 3.73
2016 Silverado 2500HD Dbl Cab, 6.0L 4x4, 4.10