before adjustment make sure you press the brake pedal hard a few times to make sure the auto-adjusters are fully up
the handbrake is adjusted -
move the seats forward - 2 screws on the side of the centre console at the rear - remove these - this allows you to lift it up to get at the adjuster - iirc its a 10mm (i think been awhile since i have done one) - adjust as required
if you do it your best doing it with both wheels off the ground to make sure they still rotate freely after being adjusted
adjustment from 3-7 clicks i would say