Frequently Asked Questions: Technical

Why do you need my ZIP code? 

We use your ZIP code to show pricing, cars for sale, special offers and other information specific to your region. For example, we update and validate our Fair Market Range weekly to account for local market conditions in your area. Bottom line: you might expect to pay a different price for the same car in Portland, Oregon and Portland, Maine. Please read our Privacy Policy for more information. Please click here to change your ZIP code.

Your website isn't working. How do I get my value?

Most errors that occur on our site are a direct result of having cookies and JavaScript disabled on your computer. You can easily adjust your JavaScript and cookie settings in your browser's Internet Options menu. Once you have adjusted your settings, please close your browser and reopen it so that the changes can take affect.

Everytime I hit "Go" I return to the same page. Is there something wrong with the site?

Refer to your browser's settings and ensure that JavaScript and Cookies are enabled for Otherwise the navigation from some pages will not function.

If JavaScript and Cookies are in fact enabled and you are still not able to advance, then there could be something in your local cache or your cookie that is causing a problem. You may need to clear cache and cookies, close your browser and try again. If this fails to resolve the problem, then there may indeed be something wrong with, and you can use the feedback form to report the issues. A Kelley Blue Book Customer Support representative will respond to your query. 

The page won't load. What can I do?

Please make sure you have JavaScript and Cookies enabled for and that all blockers (pop-up, ad, cookie, etc.) are disabled.

Pop-up blockers are included in Norton Internet Security, Netscape, and Mozilla Firefox programs, to name a few. After making sure all pop-up blockers are turned off, try loading the page again. If you receive the same results, then open in an alternate browser like the latest version of IE (Internet Explorer), Firefox, or Safari.

Why do I keep getting the error code, "Invoke?"

The problem you experienced may have been caused by an anonymity software/service or an antivirus/firewall program. If you are using an antivirus/firewall program, please temporarily turn off all blockers (pop-up, ad, cookie, etc.) and "allow" in the list of accepted websites. If you are using an anonymity software or service, please disable it when using Kelley Blue Book does not collect personal information and our site is not usable with these types of services. For further information, please read our Privacy Policy.

Can I view on my phone, tablet or handheld device?

Absolutely! Users of mobile phones, tablets, and other handheld devices can easily access's new and used vehicle information on their device anywhere they go. In addition, users will have the ability to view the videos, images, and new car reviews, as well as submit free dealer price quotes.  

To access the mobile site, all you have to do is type on your browser. 

Every time I put in my ZIP code, I keep landing on the same page. Why is my browser asking me to debug?

Refer to your browser's settings and ensure that JavaScript and Cookies are enabled for, otherwise the navigation from some pages will not function. If you change your settings, close and reopen the browser to let the settings take effect and try loading the page again.

Contact Us

Contact KBB

Business Inquiries

195 Technology
Irvine, CA 92618

Thanks for Supporting
Kelley Blue Book.
We deliver up-to-date car values, expert reviews and unbiased reporting at no
cost to you. To do this, we display ads from only trusted partners.

To continue on our site, simply turn off your ad blocker and refresh the page.