In my 08' I found that the seat heaters get warm quicker if my main heater is set on a higher setting than normal (80+ deg). My body tends to run much warmer than my wife does so I usually don't run the heat much more than 75~72deg in the mornings in the NW area of the country during wintertime.
I did notice if I set the heater at least at 80+deg first thing and then turn on the seat warmers they heat up much quicker that if the heater was set to run 10deg cooler. Not sure if this is by design, but it works on my 08' time and time again. Otherwise it takes pretty long and they don't get all that warm. Crank the heat up and they get toasty for a while then shut off for awhile the kick back on periodically.
Anyone else notice this?
Interesting observation.
I take it when you turn the car on, and it's cold, you set it for 80+ but the heater may not have warmed up yet either correct? My CX-9 can take 4/5 minutes to heat up during driving before the heat starts flowing (on Auto)
I'll give that a try tomorrow morning.