3821691 - Why is Preference level showing as "Preferred Hotel/Car (or Air) Vendor" for American Express GBT?

Client does not have preference level set for Air, Hotel or Car vendors, but still they can see the preference level showing as Preferred Car Vendor for American Express GBT in search results.

Air, Hotel and Car vendors search results showing the preference as "Preferred Car Vendor for American Express GBT" , KBA , CON-CA , Cross Applications , Problem