Ontario G1 Knowledge Test — G1 Practice Question
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Accuracy —
Rules of the Road
Before opening the driver's-side door of a parked vehicle, you should:
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Correct Answer: B. Check mirrors and over your shoulder for approaching cyclists and traffic
'Dooring' is a leading cause of cyclist injuries in urban areas. A quick shoulder check before opening takes one second and prevents a catastrophic collision. Some jurisdictions now promote the 'Dutch Reach' — opening with the far hand, forcing a shoulder turn.