Which fluid levels are essential to check during a vehicle inspection?

During a vehicle inspection, it is critical to assess fluid levels that directly impact the vehicle's performance, safety, and reliability. Checking brake fluid, coolant, and transmission fluid levels is essential for several reasons.

Brake fluid is vital for the braking system's functionality; low levels can lead to decreased braking efficiency, posing a serious safety risk. Coolant is important for maintaining optimal engine temperature, and insufficient levels can lead to overheating, potentially causing severe engine damage. Transmission fluid is crucial for the smooth operation of the vehicle's transmission; low levels can lead to shifting issues and even transmission failure.

Together, these fluids play a significant role in ensuring the vehicle operates safely and efficiently, making them fundamental checks during an inspection. While the other options list important fluids as well, they do not encompass the critical nature of the fluid levels highlighted in the correct choice for maintaining overall vehicle health and safety.