Thanks for your question. No, autofill doesn't fill Home Buyer's Plan amount automatically. You will need to enter it manually. To enter your home buyer's plan information:
1. In the "Your Taxes" section, enter "HBP" in the search bar
2. Check the boxes that apply to you
3. Enter your Remaining Payment Balance and Your annual minimum payment amount in the indicated fields (these should be on your recent Notice of Assessment
4. Enter the amount you wish to designate as HBP repayment if you made RRSP contributions from March 1 to December 31, 2020, or January 1 to March 1, 2021.