Lohus

Yesterday my dealer changed a brake fluid on my IS250, now I feel like brake pedal became softer and lost feedback. The car stops normally (as far as I've tested).

How the procedure of changing the brake fluid on IS250 looks like? Is it controlled by toyota intelligent tester computer or just manual brake pedal pushing and draining out old fluid on each brake support?

And how to check if there any air left in the brake system?

Bichon

Here is a post on the procedure for bleeding the brakes: https://www.clublexus.com/forums/sus...ed-brakes.html

Sounds like you have air bubbles ; I'm surprised the technician didn't test drive the car to make sure the brakes were working properly after he finished. Since you paid the dealer for this work, I'd simply bring it back and complain.

IS35O

I had mine flushed for the first time on my '06 about 2 months ago, felt great after. No idea about the procedure.