Because this is such a highly technical subject, I would like to point out in advance the likelihood that some of what I'm about to say may include information that is incorrect.
For code type locks that don't need a key there are 'free dial' systems where you can set any number you like and fixed types where the number is set in advance.
彼女にご協力いただけますことについて、あらかじめお礼を申し上げます。
I would like to thank you in advance for any help that you are able to give her.
彼がどんな言い訳をするかはあらかじめ分かってしまう。
We can know in advance what excuse he will make.
授業に出る前に、あらかじめ単語を調べなさい。
Look up words in advance, before you attend a class.