DTC B2795: Unmatched Key Code
WARNING: This page is about a different car, the 2000 Lexus LX 470. However, it is still accessible from the selected car via links, so may be relevant.
DTC B2795 is output when a key that has not been registered is inserted into ignition switch. If this DTC is output, clear DTC. Check all customer keys until key is found that is not registered. Register this key. See appropriate key programming procedure under PROGRAMMING .