if you are driving,contact your auto insurance company,
tell them you are going to Canada,and need proof of Canadian coverage,they will want to know the Aproximate dates you will be there
Get Certified copies of the birth certificates for all in your group.
if you take a dog or cat you need proof of Rabies vaccination.
Be Polite
drive with your headlights on 24/7 its the law {for a while now}
Be Polite
don't take to much beer or booze or cigs with you,
AAA auto club used to have a good list of does and don'ts
No "C.B" radio
etc
'
Have fun,Nice place to visit,follow th rules