[header] How to remove gum from a car's interior [title] Place three ice cubes in a plastic bag. [step] Take three ice cubes from your freezer and place them in a sealable plastic bag. You may want to double bag the ice cubes to ensure the plastic doesn't tear as you press the cubes into the gum. 
[substeps] A sealable bag is your best choice because it will trap the water as the ice cubes melt. You may want to place a rag between your hand and the ice cubes to make it more comfortable.