To use promo codes on autointhebox.com, follow these steps:
- Browse the website and add items to the shopping cart.
- Proceed to checkout once shopping is complete.
- On the checkout page, locate the promo code box.
- Enter the promo code in the designated box.
- Click apply to see the discount reflected in the total amount.
- Complete the purchase by providing payment and shipping information.
Ensure the promo code is valid and not expired. Some codes may have specific terms and conditions.