How do I use the M mode (geartronic) in my volvo s40?

Jig

New member
I know the basics, like don't redline the car etc.
But how do i work it in Manual mode? So lets say I start off in 1st gear and accelerate, i'm nearing 3k or 4k rpm, do I take my foot off the accelerator and shift? Or do I leave my foot on?
 
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