Set to sauté high. Add butter and wait until it melts.
Place brats in the cooker. Brown all side of the brats (about 2-3 minutes per side). Remove the brats. Press cancel.
Place the trivet in the cooker.
Slowly pour the water in the cooker (exercise caution as the cooker may be hot).
Return the brats to the cooker.
Place the lid on. Pressure cook on high for 5 minutes with a 10 minutes natural release (exercise caution when releasing pressure from the cooker). Follow the manufacture instructions for releasing the pressure. Remove the lid.