Question Front door windows on a vehicle may be tinted to no more than: Answers 100 percent light blockage. Whatever looks good. 65 percent light blockage. 50 percent light blockage. Explanation Tinting or sun-screening material is permitted on side and rear windows. Front door windows may be tinted to no more than 65 percent light blockage. Pass your DMV Written Test with flying colors Take me to the cheat sheet Missouri This questions appears in the following tests: Missouri Practice Test 19 Missouri Practice Test 13