“I do not use any of these products, however, I have a young adult in my life who does. He has his Driver's learning permit and would like me to take him practice driving. How long (hours or days) does he need to free from consumption? As I am the one with the car & insurance I want to insure that he can safely drive. Thank you.”
The safest option is to separate cannabis use from driving entirely. If you know you’re going to be consuming, don’t drive. For more information, please consult the following link: https://www.canada.ca/en/services/policing/police/community-safety-policing/impaired-driving/drug-impaired-driving.html