Desk notes · how to use a tesla referral code
How to Apply a Tesla Referral Code at Checkout (2026)
There is no code box at Tesla checkout. Here is where the referral benefit really appears — and the one moment you must not miss it.
The single most common mistake with a Tesla referral is looking for a box to paste the code into at checkout. There isn't one. The benefit is tied to the session, not to a field you fill in, so the order of operations is what matters.
Step 1 — open the referral link before anything else
Open a valid referral link (a ts.la/<code> address) in the same browser you will order in. Clicking it silently tags your session with the code. If you have already been configuring a car in another tab, start fresh from the referral link so the tag takes.
Step 2 — configure and reach the order screen
Build your Model 3, Model Y or eligible Cybertruck as normal. When you reach the order summary — the screen with the price breakdown, before payment — look for the referral benefit line. On an eligible order it shows the three-month Full Self-Driving (Supervised) trial as included. This is the moment to check.
Step 3 — confirm it is listed, then pay
If the referral benefit appears in the summary, you are set — submit the order. If it does not appear, stop: Tesla does not add a referral to an order after it is placed. Go back, re-open the referral link, and rebuild the order so the tag is applied.
Flow checked against Tesla's Refer and Earn page on July 13, 2026. The benefit appears in the order summary. Tesla’s stated requirement is to order “using a referral link” — no code entry is mentioned anywhere in it.
What Tesla actually requires, versus what guides add
The three steps above are what we recommend, and it is worth separating which parts of that advice are documented and which are prudence. Almost no referral page makes the distinction, which is how folklore ends up quoted as policy.
Documented. Tesla's requirement is that you custom order, or buy a new inventory vehicle, using a referral link. That is the rule. One referral applies per transaction, and it cannot be attached after the order exists.
Not documented, but sensible. Everything else on the checklists you will read — finish in the same browser, do not switch from phone to laptop mid-configuration, avoid clearing cookies, do not resume a configuration you saved last week. None of that appears in Tesla's terms. It is inferred from how session-based attribution generally works, plus owner reports of referrals that did not attach.
We follow the folklore anyway, and the reasoning is asymmetric rather than superstitious. Complying costs nothing: opening the link and finishing in one sitting is not a burden. Being wrong the other way cannot be repaired, because there is no route to add a referral once the order is placed. When one side of a bet costs ten seconds and the other side is unrecoverable, you take the ten seconds even without proof.
What we will not do is dress that up as a rule. If you have already configured a car in another tab and cannot bear to start again, you are not doomed — you are in undocumented territory, and the honest answer is to re-open the referral link, rebuild anyway, and let the order summary settle it.
The check that makes the rest of this page optional
Which leads to the one instruction that survives every uncertainty above. The order summary before payment is the only authority. Not this page, not Tesla's marketing copy, not an owner forum.
It is worth being precise about what you are looking for, because the most common false alarm is looking for the wrong thing. You want a line acknowledging the referral benefit — not a lower total. The car's price does not drop, because the reward is a benefit added alongside the order rather than a discount applied to it. Someone expecting a smaller number will conclude the referral failed when it worked perfectly.
And a habit worth two keystrokes: screenshot that summary with the benefit line visible before you pay, and note the date. The referral attaches at order but is granted around delivery, weeks or months later. If what lands differs from what you were shown, the screenshot is the only record of the moment you committed — and it is the one document in this entire process that cannot be reconstructed afterwards. Most buyers will never need it. It costs nothing to be the exception who has it.
Why it works this way
Tesla moved away from typed promo codes to a link-based referral so the credit can be attributed cleanly to the referring owner. The upside for you: nothing to mistype. The catch: if you skip the link step, there is no second chance once the order is in.