Before Dismounting a Tire with a TPM Sensor, ______

Multiple Choice

Before dismounting a tire with a TPM sensor, ______.

A) drain the sensor battery by connecting a jumper wire between the valve stem and rim
B) unbolt the air valve/sensor assembly and allow it to drop into the tire
C) run a magnet over the tire valve to deactivate the transmitter
D) remove the valve core and loosen the retaining screw