2025 MO CDL Practice Test: Tank - Test 4
Based on
2025 MO CDL Handbook
20. What is a way to warn drivers behind you that you will be slowing down?
A
Swerve from side to side to get other drivers’ attention.
B
Turn all lights on and off several times.
C
Turn on the right turn signal followed by the left turn signal.
D
Tap your brake pedal a few times to illuminate the brake lights.