; and (3) take such measures as may be necessary to ensure that no individual with a disability is excluded, denied services, segregated, or otherwise treated differently from other individuals because of the absence of auxiliary aids or services, unless the air carrier or foreign air carrier can demonstrate that taking such measures would— (A) fundamentally alter the nature of a good, service, facility, privilege, advantage, accommodation, or other opportunity being offered; or (B) result in an undue burden to an air carrier or foreign air carrier. (d) Consumer complaints (1) In general The Secretary shall ensure that individuals with disabilities traveling in air transportation are able to— (A) file complaints with the Department of Transportation in response to disability-related discrimination prohibited under this section or regulations prescribed under this section; and (B) receive assistance from the Department of Transportation through a toll-free hotline telephone number, publicly available internet website, or comparable electronic means of communication. (2) Notice to passengers with disabilities Each air carrier or foreign air carrier shall include on its publicly available internet website, any related mobile device application, and online service— (A) the hotline telephone number established under section 42302 or the telephone number for the Aviation Consumer Protection Division of the Department of Transportation and the Department’s disability assistance hotline telephone number or a comparable electronic means of communication; (B) a notice that a consumer can file a disability-related complaint with the Aviation Consumer Protection Division; (C) an active link to the internet website of the Aviation Consumer Protection Division for a consumer to file a disability-related complaint