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its those buttons you see on the steering wheel of the GS400 or the 2001-2002 GS300, they let you shoose when you want to change gears so you can get more from every gear, there alot of fun to play with if you like to speed and take corners hard like me
I have another question and did not really want to start another post. I am thinking that an ECU is an (Engine Control Unit) Is this correct? What is this Steering ECU upgrade I keep hearing about?
What exactly does it do?
and last but not least. Is there a Search Feature on this forum? If so where is it?