Just Redeem Rewards. You can use them in-store or online:

In-Store: Give the cashier your phone number, email, or Speed Perks ID, and they’ll apply the reward.

Online: Sign into your account, add items to your cart, and your reward will show up in checkout under “Available Rewards.” Just select it to apply. If your purchase total is less than the reward amount, you won’t get the leftover balance — so try to spend at least the reward value.

Warranty for this is just for Invalid Login | Missing Points only. - You should open a ticket on the shop and text Crisp Chat Box When Done within 15 minutes from purchase