E. LearndmvDMV PRACTICE
Find your state Exam types Practice tests Sign in Create account ↗
Practice quizzes / DGT C Practice Questions - Spain DGT Theory Test - Category C Truck Permit Exam / Question 80343
Practice question

What should a driver do with a low air-pressure warning before moving?

  1. Start because it clears at speed
  2. Wait for pressure and investigate abnormal build-up
  3. Pump brakes while accelerating
  4. Disconnect the buzzer

Answer: B — Wait for pressure and investigate abnormal build-up

The correct answer is shown above. Try the full quiz for additional practice.

Practice more: DGT C Practice Questions - Spain DGT Theory Test - Category C Truck Permit Exam →
Learndmv.

Thoughtful practice for the road ahead. Find permit, road signs and CDL preparation by state.

Explore

Practice by stateAll practice testsExam types

Your account

My profilePractice historyAccount security

Get started

Create accountSign inSitemap
© 2026 LearndmvIndependent practice resource · Not affiliated with any state DMV.