Orders & returns

A 10% discount is automatically applied to purchases of 10 or more eligible products; parts are excluded. If the discount is not applied, contact support. For larger quantities, contact support to discuss deeper discounts that scale with quantity.

Orders must be placed through the comma shop, the official and only retailer of comma devices. Orders over $10,000 may be paid by purchase order and wire transfer; contact support with your item list or purchase order to get started.

comma does not offer discounts for specific groups.

Yes. See the trade-in program for details.

Check that your car is supported at comma.ai/vehicles. All support is for U.S. cars unless otherwise specified.

Prices do not include customs duties and taxes, which are set by your local customs authority and paid by you. These often range from $150–350 for a comma four and harness, but can be more depending on your country. The comma four HS code is 8525.81. If you refuse to pay these fees, comma must pay them to receive the device back, and they will be deducted from your refund.

comma does not refund duties or taxes, since they are paid to your government. You may be able to claim a refund from your local customs office, subject to its policies. A link to your invoice is in your order confirmation email, and support can provide additional paperwork if needed.

Check your address carefully before ordering. It cannot be changed after the order is placed, and comma is not responsible for devices delivered to incorrect addresses.

Open your order confirmation email, select View Your Order, and use the cancel option on the order page. You can cancel for a full refund until the order ships.

Orders cannot be modified. Cancel the order and place a new one with the correct items or information. Because some orders ship immediately, including on weekends or holidays, cancellation is not always possible.

Our payment processor occasionally flags orders for suspicious activity. If this happens, contact support.

Orders placed after 7:00 AM PT ship the next business day. You will receive an email with tracking information once your order ships; allow 1–2 days for tracking to become active.

Most orders arrive within 5–10 days unless expedited. comma is not responsible for delays in UPS 2nd Day Air delivery; choose it at your own risk. International delivery times vary. If your order has not shipped within a few business days, check your email for an update about inventory, an address correction, or payment verification. Shipping information is subject to change.

For a U.S. order, contact support as soon as possible. We will try to recall the package and issue a refund after it returns to our warehouse, which can take 7–10 days or more. Place a new order after we confirm the recall.

International shipments cannot be recalled. Contact support and we will help where possible, but the customer is responsible for providing a correct delivery address.

All orders ship from our warehouse in San Diego, California.

We ship throughout the United States and to most countries. International shipping is a flat $30. We do not ship to PO boxes, except military addresses. U.S. deliveries currently require a signature, though this is subject to change. If you reject an international package, any additional fees will be deducted from your refund.

International customers are responsible for customs duties and taxes. These charges are not included in the purchase price and are not refundable by comma.

Report the damage within 3 days of delivery using the shop support form. Include photos of the device and its packaging. comma may not be responsible if you do not report damage within this window.

If a returned device arrives damaged, the repair cost will be deducted from your refund. comma is not responsible for items lost or damaged on their way back, so use the original packaging or pad the device carefully.

Call UPS at 1-800-742-5877 or use its online contact form. Provide your tracking number and describe the issue. If UPS confirms the package is lost or delayed by more than one week, contact comma support so we can investigate and file a claim. We will provide updates and arrange any necessary reimbursement or replacement.

If your order was sent by USPS, comma will respond to your support ticket after 3–4 days to see whether it has arrived; most delayed USPS packages do eventually arrive. For UPS packages, check whether tracking shows a pickup location. If a UPS delivery was signed for, it is considered delivered and there is little comma can do. If tracking shows the package returning to comma's warehouse, we will refund the order and recommend placing a new one.

Returns are usually processed within 2–5 business days after they arrive. The refund goes to your original payment method, and your bank may take up to another week to post it. If you have not received your refund within one week of the return being delivered, contact comma support.

comma does not offer exchanges. If there is an issue with your order, request a return and place a new order.

If you're adding support for a new car, we can extend your return window to 90 days. Open a support ticket with your order number once you've placed the order. Return window extensions are subject to approval.