5 Most Common G1 Test Mistakes (And How to Avoid Them)

Every week, hundreds of Ontario students walk into a DriveTest centre confident they're ready for their G1 knowledge test — and walk out having failed. After 12 years of teaching and coaching thousands of students, I've identified the five mistakes that account for the vast majority of those failures. The good news? Every single one is completely preventable.

Mistake #1: Only Reading the Official MTO Handbook Once

The MTO Driver's Handbook is the bible for your G1 test, and most students read it exactly once — the night before. This is a critical error. The G1 test is designed to catch gaps in knowledge that casual reading doesn't reveal. Signs that look similar, rules with subtle exceptions, right-of-way scenarios — these all require multiple reviews and active practice, not passive reading.

What to do instead: Read the handbook at least twice, with at least a week between reads. On your second read, highlight anything that surprised you or that you weren't 100% sure about. Then review only those sections a third time.

"The students who pass on their first try aren't necessarily smarter — they're just more deliberate in how they study." — Wais Bashari, Senior Instructor

Mistake #2: Skipping the Practice Tests

The MTO provides sample questions, and many free practice test websites exist for Ontario G1 prep. Yet a shocking number of students skip these entirely, believing that if they've read the handbook, they'll be fine. They're not.

Practice tests do two essential things: they identify your weak spots before the real test does, and they familiarize you with how questions are phrased. G1 questions are designed to trip up students who "sort of" know the answer. Doing practice tests forces you to commit to a specific answer — which is a completely different cognitive skill than recognition while reading.

What to do instead: Complete a minimum of five full practice tests (40 questions each) before your real test. Aim for a consistent score of 85%+ before booking your appointment.

Mistake #3: Guessing on Road Sign Questions

Road sign questions (the second half of the G1 test) trip up more students than any other section. Many students assume they know what signs mean from years of being passengers — and they're often wrong. Signs with similar shapes but different colours, regulatory vs. warning signs, temporary construction signs — all appear on the test.

What to do instead: Use a flashcard system specifically for road signs. There are 50+ signs in the MTO handbook. Quiz yourself until you can identify every single one without hesitation. We have a free sign quiz in our video library.

Mistake #4: Not Understanding the Right-of-Way Rules

Right-of-way questions are the most commonly missed on the G1 test — and they appear frequently. Four-way stops, uncontrolled intersections, yielding to pedestrians, yielding when turning left — students often have a vague sense of these rules but can't answer confidently under test conditions.

Right-of-way rules have subtle nuances: what happens when two vehicles arrive at a four-way stop at exactly the same time? (The vehicle on the right goes first.) What about when you're turning left at an advance green versus a regular green? These distinctions matter.

What to do instead: Study right-of-way rules as their own dedicated chapter. Create decision trees: "I'm at a four-way stop. Did anyone else arrive at the same time? → If yes, who is to my right?" Practice walking through these scenarios until they're instinctive.

Mistake #5: Booking the Test Before You're Actually Ready

The pressure of having a test date booked can motivate students to study — but it also leads many to book too early, before they've achieved consistent practice test scores. The result is a failed test, a $15.75 rebooking fee, and — worse — shaken confidence that makes the second attempt harder.

What to do instead: Don't book until you're scoring 85% or higher on practice tests consistently (three tests in a row, not just one lucky run). Once you're there, book your test quickly — momentum matters.

Bonus Tips for Test Day

• Bring your original Ontario birth certificate or passport — photocopies are not accepted
• Arrive 15 minutes early — the test is taken on a computer at the DriveTest centre
• Read each question twice before answering — the answer is almost always in the wording
• Don't rush — you have unlimited time for the G1 test
• If you're genuinely unsure, eliminate wrong answers first and then choose