Volvo fh

yourhavingalarf:

biggriffin:
It’s summer also, so why!

It’s good policy to…

Run them up once a month all year round. It keeps things moving and in working order. It’s the same with AC in your car, run it regularly as good maintenance.

To be honest, it tells you on the dash every few weeks to run the night heater for 20 mins if it hasn’t been used