You can change your cookie preferences any time by clicking the 'Update Cookie Preferences' link in the footer. This will let you revisit the cookie consent banner and change your preferences or withdraw your consent right away.
In addition to this, different browsers provide different methods to block and delete cookies used by websites. You can change the settings of your browser to block/delete the cookies. Listed below are the links to the support documents on how to manage and delete cookies from the major web browsers.