You can simply login to your tivo.com account, then choose 'Change Service number' and choose the one you are replacing. However, you cannot use this method to change any service with lifetime on it. Your service charges should remain the same.
Be sure you are not buying the Premiere, as there are separate price plans as much as 19.95 a month.
Be sure you are not buying the Premiere, as there are separate price plans as much as 19.95 a month.