4) Press and hold the "▲" or "▼" button to select the battery rating values (specified on the battery rating label). 5) Press the "OK" button to start the battery test. 6) The test result will display as follows: GOOD BATTERY 7) Replace battery if test result displays as below : 2. CRANKING TEST 2.1 BEFORE TEST The engine and all other accessory loads must be OFF in order to get accurate results.