Use Reflash to test and maintain battery voltage in a vehicle at 13.5 volts to allow for uninterrupted reprogramming of vehicle’s computer, retain vehicle system settings, or simply to maintain battery voltage.
At any time during the test, tap 
to return to the previous screen; or 
to return to the Main Menu.
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Connect the Diagnostic Device test clamps to the battery.
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At the Main Menu, tap Reflash. The Select User screen is displayed. Select your user to continue.
- The tool will then collect the VIN list of vehicles at your location. Select the proper vehicle if it is displayed, or manually enter the VIN.
- The Edit Battery Information screen is displayed. Select your battery information and charging parameters by tapping on the corresponding box to edit the parameters, then select Start Reflash to begin the charge.
5. The Results screen will be displayed.
6. Select Done to send the results to the server and return to the Main Menu.