How cn i compute the gpm and velocity of water discharging from a 2in b.i pipe?

i hv a 40cum tank connected to 5hp pump at 6bars max and 2bars min.i nid 2 compute at site by bucket n timer method.or ders another way.tnx

if it is a factory alarm, put the key in the ignition and turn it to the on position. that will turn off the alarm. as for turning it off completely. it needs to be done at a dealership.

try checking the switch , They sometimes go bad .Remove the door panel be careful, Check if it is getting power then see if you can UN-plug the switch and clean the terminals that might help for a while. good luck