Range of measurement: from -12 to -43 oC

1. The liquid should be tested when the engine is cold and turned off.
2. Unscrew the plug of the radiator and insert the tube.
3. Hold the tester vertically and, by squeezing the hand pump, draw liquid up to the level marked by the inscription "fluid level".
4. Read tips.
5. Clean the tester with warm water.