Ontario G1 guide
Emergency vehicles and the G1 knowledge test
Emergency vehicle questions usually test yielding, stopping, and lane behaviour when lights or sirens are active. Learn the official rule first; then use practice to spot wording traps.
Last checked: November 13, 2026
Practice with explanations
After each miss, restate the rule in one sentence. If you cannot, reopen the handbook section before another quiz attempt.
Official sources
G1 Ninja is independent practice — not affiliated with MTO or DriveTest. Rules, fees, and testing details can change; verify with official sources.