no heat

2006 Honda Ridgeline RTL w/Navagation I have been using the voice controlled automatic climate control. On the first cold day since I bought the truck (used), I tried the heat out. It was 30 degrees outside and after 45 miles the cabin wasn't warm. I had a mechanic check things out. The...

'06 RTL no nav 53K on the clock For the last 2 months I'm having an intermittent problem with the heat output, when it gets to 40-50°, I normally have the heater set at 71-72° and all is warm and toasty, but every so often at thet temp i't still blowing cold air. If I crank it up to 80+, then...