Ontario Air Brake Practice · Question
If the low-air warning buzzer activates while driving, what is the immediate action a driver should take?
When the low-air warning buzzer activates, it signifies a critical loss of air pressure. The driver must safely stop the vehicle as soon as possible and determi
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Question: If the low-air warning buzzer activates while driving, what is the immediate action a driver should take?
Answer options:
- Continue driving to the nearest service centre. ✅ Park the vehicle safely and investigate the cause.
- Increase engine RPM to build air pressure faster.
- Apply the service brakes firmly to test their effectiveness.
Correct answer: Park the vehicle safely and investigate the cause.
Explanation: When the low-air warning buzzer activates, it signifies a critical loss of air pressure. The driver must safely stop the vehicle as soon as possible and determine the cause to prevent complete loss of braking ability, as stated in air brake safety guidelines.
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