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Five Tips for DEF Winter Preparation - Premier Companies
When using DEF in extreme winter conditions, there are precautions to take before it becomes a “slush” and freezes into a solid state. Although, the quality or performance of DEF is not compromised if it freezes. 1. Activate and Test Heaters. However, don’t overheat the fluid. If able, set the thermostat to 40-45F. 2. DEF …