Standard Whirlpool technologies and features for you to enjoy. Jet Start Outstanding reheating speed. The JetStart function boosts the heat inside the oven to the maximum for 30 seconds, providing the ideal temperature to reheat food with high water content such as clear soups or beverages. Child lock- safety first. This Whirlpool Microwave features a child lock system, to prevent toddlers and children from accidentally using this appliance.