Terms of sale

Last updated: October 3, 2026. These terms set out how a sale works between Dashwise and you. They apply to every order placed on this website, together with our Terms of service, Return and refund policy, Warranty and Shipping policy.

Who sells to you

The seller is Heatstone, trading as Dashwise, 200 rue de la Croix Nivert, 75015 Paris, France. Trade number (SIRET): 942 233 545 00022. VAT number: FR76942233545. Email: contact@heatstone.co.

Products

We describe and photograph our products as accurately as we can. Screens, colors and packaging may differ slightly from the photos. Before you buy, please check that your vehicle is compatible. Dashwise reads engine and emissions codes only.

Prices and taxes

All prices are in US dollars. Shipping is free. Sales tax is added at checkout where the law requires it. The price you see at checkout when you pay is the price you pay.

Placing an order

1. Add the product to your cart and go to checkout.
2. Enter your shipping address and pick a payment method.
3. Check your order and confirm it.
4. You receive a confirmation email. That email is when the sale is formed.

We may refuse or cancel an order, for example for a pricing error, a stock problem or suspected fraud. If we cancel a paid order, we refund you in full.

Payment

Payment is taken when you place your order. The payment methods available are shown at checkout. Payments are handled by secure payment providers, and we never see or store your full card number.

Delivery

We ship to addresses in the United States. Processing and delivery times are in our Shipping policy. The risk of loss or damage passes to you when the parcel is delivered. If a parcel arrives damaged or does not arrive, we replace it or refund you.

Returns and refunds

You have 30 days from delivery to return your Dashwise for a refund. The steps, return shipping rules and refund times are in our Return and refund policy.

Warranty

Every Dashwise has a 1-year limited warranty against manufacturing defects. Details are in our Warranty section.

Customer service

Email contact@heatstone.co. We reply within 2 business days, Monday to Friday.

Events beyond our control

We are not responsible for a delay or failure caused by events outside our control, such as carrier disruption, severe weather or supplier shortages. We will tell you and offer a refund if your order is delayed for a long time.

Governing law

These terms follow the governing law and dispute rules in our Terms of service.