Once 15PROMO has been applied and the order is placed, the first job is confirming that the 15% actually carried through to the finished order rather than just the checkout screen. Open the confirmation and look for a discount line reducing the product subtotal. Percentage codes of this type typically apply to product value, not to tax or shipping, so the saving should be visible against the goods total rather than the grand total in isolation.
It is worth noting the post-discount subtotal separately. Auxito offers free shipping on orders over $35 within the U.S., and the discount reduces the subtotal, which is the figure used for free-shipping thresholds. If your order sat close to that line before the code, the confirmation is where you will see whether shipping was charged.
Auxito does not publish a stated cancellation window, an order-editing tool or a cut-off point for amendments, so nothing here should be assumed. If you need to change a fitment, add a CANbus adapter or anti-flicker decoder, or cancel outright, contact Auxito directly through the channels listed on auxito.com and treat the outcome as discretionary rather than guaranteed.
One practical point: codes are usually one per order and often one per customer account. If a cancelled order is replaced with a new one, there is no published confirmation that 15PROMO will apply a second time to the same account. Whether the code is limited to one per customer account is not stated by Auxito, which is exactly why cancelling and re-ordering carries a risk that simply amending an existing order does not.
The site advertises 60-day returns. That window covers the usual reasons a bulb comes back: wrong fitment despite the bulb finder, flicker that a decoder does not resolve, or a beam pattern that does not suit the housing.
Where a discount code is involved, the sensible expectation is that a refund reflects what you actually paid, not the pre-discount list value. Auxito does not publish the mechanics of how a 15% discount is apportioned across a partial return, so if you are sending back one item from a multi-item order, ask support to confirm the refund figure before dispatching anything. The same caution applies to shipping: if the refund takes your retained order value below the $35 free-shipping threshold, Auxito has not published how that is handled.
All products are covered by a 2-year warranty from date of purchase. That runs well beyond the 60-day return period, so a bulb that fails at month eight is a warranty matter rather than a return. Keep the order confirmation showing the 15PROMO line, since the date of purchase on that record is what starts the two-year clock.
For warranty contact, use the details on auxito.com. Auxito does not publish a specific claims form, turnaround time, or whether a failed unit is replaced or refunded, so those points need confirming case by case.
Two post-purchase problems are worth separating out. The first is fitment: the year/make/model selector filters the catalogue to confirmed fitment and the bulb finder helps identify the correct bulb, so a mismatch is usually something support can diagnose from your vehicle details.
The second is legality. LED conversions are not street-legal in all regions and may fail inspection. That is a regulatory matter rather than a product fault, and Auxito publishes no separate policy covering it. If your local rules are unclear, check them before fitting rather than after, because the 60-day return window is the only published route back and it will not wait for an inspection appointment.
Retain the order confirmation with the visible discount line, the product fitment codes such as H11/H8/H9, 9005/HB3, 9006 or H1, and any X-Plore series part references. Those three pieces of information cover almost every support, return or warranty conversation, and they prevent a claim stalling on paperwork rather than on the merits of the fault.
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