For the Mobile Warming/Fieldsheer products that have a temperature control button on the garment:
Charge the batteries for 4-5 hours.
Plug the battery into the garment securely.
Hold the button on the BATTERY for approx. 3 seconds until the LED lights on the battery turn on. (The lights on the battery indicate the length of power available).
Now that the battery is turned on, press and hold the button ON THE GARMENT until the garment button lights up.
Control the heat settings by pressing the button on the garment. Press until you see the color of the button matching your desired heat level.
To turn off the heat, press and hold the button on the garment until the lights turn off, then press and hold the button on the battery until the lights on the battery turn off. Or, just turn off the battery.