Hi I am new to this and could do with some help re the air con on my toyota supra 3.0i turbo a good friend has offered to re gas my car for free but we can only find the high presue(red) and not the low pressure(blue) can any one give us a clue as how to gas the system and am I right in saying we may need some special kit and special gas(not the norm)? also please dont call me daft I have only had the car 2 days and can not find the main fuse box only the small one under the hud where is it ?,my left light will not pop up could this be a fuse or is it a common problem you can give me a fix for ? thanks for your help Matthew