If you're using TurboTax Self-Employed Online:

Click on “Self-Employment” under Income in the left side menu.

Click “Continue” on the ‘Let's look at your self-employment income and expenses’ page.

Click “Edit” next to the business you want to work with.

If you have finished the interview for that business, then you’ll see the “[Your Name], review your self-employment income and expenses” page, and you can click “Assets used in your business and CCA calculation”. If you don’t see this page, continue through the business interview and the “Fixed Assets” page will come after the business expenses section.

If you are using another paid version of TurboTax Online:

Click on “Self-Employment” under Income in the left side menu.

Click “Continue” on the ‘Let's look at your self-employment income and expenses’ page.

Click “Edit” next to the business you want to work with.

Continue through the business interview until you get to the capital cost allowance section.

If you have TurboTax Live Assist & Review, here is how to talk to a Tax Expert: https://turbotax.community.intuit.ca/replies/3456106