We ship the same business day for in-stock items.
Free 2-3 Day Shipping on $75+ orders. *
*Business days only. For orders placed and funded by 5:00pm Eastern Time. Lower 48 states only.
My Account
How do I create an account?
How do I edit my account information?
I forgot my password.
Order Information
Pre-Order Policy
The Five Order Stages
How do I change quantities or cancel an item in my order?
Missing Items or Parts
Backordered Items
US Shipping
Estimated Shipping Times
Estimating Shipping Charges
International Orders & Shipping
We Ship Worldwide
Calculating International Shipping
What is the international return policy?
Government Agency, Federal & State Purchasing
DUNS number
Introduction to Car Computing
Introduction to Car Computing
Mp3Car Store Terms and Conditions
Terms and Conditions
Warranty and Return Policy
Display Return Policy
Mp3Car Store Order Cancellation Policy
Mp3Car Store Return Policy and Procedure
Mp3Car Store Technical Support
Mp3Car Store Warranty Policy and RMA Procedure
Where do I find the Mp3Car Store Manufacturer Warranties?
How do I speed up my RMA?
I received the wrong product.
Payment and Billing Questions
I have extra charges on my online credit card statement
I tried to submit my order several times after the AVS would not match my billing address, can you remove the extra charges that have been billed?
If the AVS voided my order, will my credit/debit card be billed?
My credit/debit card is declined because of Address Verification System (AVS) mismatch. Will I still get charged for these declined transaction?
Do I have to pay sales tax?
How do I buy/redeem a gift certificate?
I have a question on my charges.
I need a copy of my receipt/invoice.
When will my credit appear on my account?
When will my credit card be charged?
Installer & Dealer Partnerships
How can installers and dealerships work with the Mp3Car Store?