Question When you are planning to make a turn, you should activate your turn signals: Answers Only if there are other drivers following you. Just as the front of your car reaches the intersection. Three to four seconds before you reach the intersection. Two car lengths before reaching the intersection. Explanation To complete a turn safely, you should signal three to four seconds before turning. Pass your DMV Written Test with flying colors Take me to the cheat sheet Pennsylvania This questions appears in the following tests: Pennsylvania Practice Test 18 Pennsylvania Practice Test 18