The internal ac/heater blower should normally start straight away normally at the lowest speed with a cold engine: it'll increase as the engine warms up or if asking for air colder than outside it'll increase as the air-conditioning becomes effective. if you press demist it should go to full - does yours? I suspect your lowest speed isn't working, try taking manual control of the fan speed and see if the lowest speeds are pushing any air through.
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Need a T4 ?: T4 Owners Map thanks to Stevestrat ( use at your own risk)
Where?:
https://en.wikipedia.org/wiki/Tanelorn
Mods/Retrofits:
PCV vortex 'filter'; bluetooth; inline thermostat; reversing sensors; plenum spyhole ; headlamp washers ; Diy mp3 player replacing CD multichanger; FBH with remote; Headlamp washers; black/chrome front grille, rear blind; Xenon projectors
To do:
puddle lights; 2 Din cd/nav to fit; boot release button
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