I once knew the answer to that... but I forgot it. Anyway - see Page 6-58 of the LM manual for a picture of the "winter" position. Later, JR ----- Original Message ----- From: "John McMahon" <latin81 at comcast.net> to hold the left side vent door open a little bit? If so, > whut fer? > > John McMahon > 1965 Monza coupe