2024 CA CDL Practice Test: Class A - Test 7 Based on 2024 CA CDL Handbook 15. When the spring brakes are on, you should never: A Turn on the lights. B Turn off the vehicle. C Push down the brake pedal. Next More 15/30 Progress 0 Errors Restart Next Next Class A - Test 7 Back to Test List Class A - Test 6 Class A - Test 8 Challenge Library 12 More CA CDL Practice Tests 8 Class A - Test 8 9 Class B - Test 10 Class B - Test 2 11 Class B - Test 3 12 Class B - Test 4 13 Class B - Test 5 14 Class B - Test 6 15 Class B - Test 7 16 HazMat - Test 17 HazMat - Test 2