0 05Mazda3sp23 Member : 2005 Mazda 3 SP23 Sedan Apr 27, 2011 #21 WillD said: It's called ALC (Automatic Level Control) and all MS3s should have it. It is off by default, when on you can adjust it to level 1-3 for different amounts of volume adjustment. Click to expand... +1 agreed
WillD said: It's called ALC (Automatic Level Control) and all MS3s should have it. It is off by default, when on you can adjust it to level 1-3 for different amounts of volume adjustment. Click to expand... +1 agreed
