HRS §490:2-717
Buyer can deduct damages from what they still owe
If the seller breaks the contract, the buyer can tell the seller and then subtract the damages from any money still owed under that same contract. This only covers the price still due, not other amounts.
buyers
The statute, as written — Deduction of damages from the price
The buyer on notifying the seller of his intention to do so may deduct all or any part of the damages resulting from any breach of the contract from any part of the price still due under the same contract.
LawTrove is not legal advice. The summary above is a computer-generated restatement — the authoritative text is the official version linked above.