TECHALERT

fluid handling machines, namely, machines for power steering fluid exchange, differential fluid exchange, engine oil system flush, engine coolant exchange, and air conditioner refrigerant charging/recovery/recycling, A/C flush, transmission fluid exchange, brake fluid exchange, and nitrogen tire filling, the machines having two electronic modules, one integrated into the machines and the other a small, portable, remote, battery operated device with indicator lights, audible buzzer and vibrator, the machine causing the one device to transmit wirelessly a signal to the remote device that a machine process is complete or has been halted due to a fault condition