Click the Checkout link in the top navigation bar when your ready to place your order. All the items that you have in your shopping bag appear in your order during Checkout. If you do not want to order all the items, simply edit your shopping bag first and click "Update". When you click "Submit Order" we verify your credit card. Your order will not be placed and your credit card will not be charged if you do not click "Order Now." Methods of payment Race Diagnostics E-Shop accepts the following credit cards via pay-pal. · Visa · MasterCard · Switch · Solo · Visa Electron Race Diagnostics E-Shop also pay-pal payments. If we are unable to process your credit card, please check to ensure you entered the correct card number and expiration date, and that the billing name and address you entered match your credit card statement exactly. Please refer to your credit card company if the problem persists Only "signed for" shipping methods will be used by Race Diagnostics to ensure packages are not lost. Returns and Exchanges Returns with an Original Sales Receipt: Items may be returned for exchange if faulty within 7 days after the invoice date for a merchandise exchange based on the original form of payment. Returning or Exchanging Items by Mail: Follow these instructions to return any Race Diagnostics E-Shop purchase by mail. 1. Please keep one copy of the invoice for your records. 2. Circle the item(s) that you are returning or exchanging and on the bottom portion of the invoice note the reason why. 3. Please supply the name and address where we should send the receipt or exchange. 4. Pack and seal your return securely, in the original package if possible. Packages must be returned prepaid -- we do not accept C.O.D. deliveries. 5. Only use a "signed for" mailing service to ensure packages or not lost. Send returns to: Race Diagnostics Ltd 24 Liggars Place Dunfermline KY12 7XZ UK .