You should change your password after doing this as the default
1, 2, 3, 4, 1, 2, 3, 4 is not very secure.
Restoring Your Switch to the Factory Defaults
This is possible for you to do with our help.
Installing Your Digital CSP5 Switch
Mount the switch in an available gauge location. Please make
sure the wire is not hanging off the back of the switch in a way
that it might get stepped on or pulled. Neatly run the OBD cable
to the OBD connector and plug it in. Connect the red wire to a
source of switched 12V.