While we were diving deep into the suds of the most surprising uses for Dawn—and putting those beyond-dish soap tricks to the ...

Step 2: Add 4 tablespoons of Dawn dish soap to the spray bottle. After adding the rubbing alcohol to the spray bottle, measure out 4 tablespoons (¼ cup) of Dawn dish soap. Pour it into the bottle.

According to Consumer Reports, using a dedicated car wash product is preferred for use on vehicles, though soap and water can ...