Trade certification · Automotive
Red Seal Automotive Service Technician Exam (Interprovincial)
The interprovincial Red Seal exam for automotive service technicians (trade code 310S): 125 multiple-choice questions in 4 hours, 70% to pass. Practice questions weighted to the Red Seal exam breakdown: engines and engine support systems, module communications, drivelines, electrical and HVAC, steering, suspension and brakes, restraints and body, and hybrid and electric vehicles.
Questions last checked against the official sources on October 11, 2026.
The real exam at a glance
- Questions
- 125 multiple choice, 4 options, one correct answer
- Time
- 4 hours
- To pass
- 70%
- Question types
- Knowledge and recall 5–15%, procedural and application 40–50%, critical thinking 40–50%
- Provided
- Acronym list
- Languages
- English and French
- Delivered by
- Your province's or territory's apprenticeship authority (Ontario: Skilled Trades Ontario, trade code 310S)
- Body
- Red Seal Program, Canadian Council of Directors of Apprenticeship
What you'll practise
Try a question
Which shop tool does the RSOS list for refinishing brake rotors and drums?
- Tire changer
- Brake lathe
- Wheel balancer
- Hydraulic press
Show the answer
B. Brake lathe — Shop tools include brake lathe, tire changing machine and wheel balancer.
Sample questions by topic (in English)
- A. Common occupational skills
- B. Engine and engine support systems
- C. Vehicle module communications
- D. Driveline systems
- E. Electrical, HVAC and comfort systems
- F. Steering, suspension, brakes, tires and wheel bearings
- G. Restraints, body components, accessories and trim
- H. Hybrid and electric vehicles
Ask the examiner
Ask about this exam: why an answer is wrong, a grammar point, or “quiz me on …”.
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Questions about the Red Seal Automotive Service Technician
Is this the official Red Seal Automotive Service Technician?
No. Semplr is independent and not affiliated with the exam body. We write every question ourselves, in the official format and at the official level.
What is the real Red Seal Automotive Service Technician like?
Questions: 125 multiple choice, 4 options, one correct answer. Time: 4 hours. To pass: 70%. Question types: Knowledge and recall 5–15%, procedural and application 40–50%, critical thinking 40–50%. Provided: Acronym list. Languages: English and French. Delivered by: Your province's or territory's apprenticeship authority (Ontario: Skilled Trades Ontario, trade code 310S). Body: Red Seal Program, Canadian Council of Directors of Apprenticeship.
How is my practice marked?
Instantly. You see your score against the pass mark, and an explanation for every question — including the ones you got right.
Can I take it on my phone?
Yes. The whole mock exam works on a phone, and your progress is saved in your browser.
Ready for a full run?
One sitting, real timing, then your score against the pass mark.
Start the free mock exam