Agree the supplied access inventory
List physical keys, emergency-access components and any other supported access equipment in the quotation. Do not assume a fixed package from a generic Q3 brochure. Record missing, damaged or untested items and ask whether replacements include programming. The configuration record helps identify the car but does not prove that every original key remains present on a used example. Avoid publishing key codes or security identifiers. A promise to provide another key later should have a clear owner and completion condition rather than remain an informal message after the vehicle has shipped.
Demonstrate each key on its own
Use the applicable operating instructions to check locking, unlocking and starting with each supplied key. Arrange a safe test in which another working key does not mask failure. Record intermittent behaviour rather than repeating the test until it happens to succeed. A depleted remote battery and an immobiliser problem need different investigation, so do not diagnose either from one failed press. Consult the documented emergency-access process without forcing trim or locks. The buyer should receive the observed result for each item, not a general statement that keyless entry works on the car.
Ask about lost keys and previous replacements
Where a key was lost, ask what supported action was taken to manage its access and obtain workshop evidence if available. Do not request or attempt security bypass procedures. A competent authorised service route should explain what can be checked for the exact system and what remains uncertain. Compare the story with the maintenance records, especially after lock, steering-column or electronic-module work. Missing history does not automatically establish misuse, but it can affect the buyer's willingness to accept the vehicle and the cost of completing a secure handover.
Clarify connected-account transfer
Determine which connected services are actually fitted and supported in the destination. Ask for the official ownership-transfer or previous-user removal process where applicable. Registration, subscriptions and regional availability can differ from ordinary key operation. The MMI and regional-function guide should be read before treating a seller's phone demonstration as a transferable benefit. Do not use shared passwords or another person's identity to make a service appear available. If legitimate transfer is unavailable, record that limitation and decide whether the buyer can accept the remaining physical-key functions.
Remove personal information without losing service evidence
Review paired phones, stored destinations and user profiles through documented controls. Preserve relevant service documents separately, with unnecessary personal details removed, before resetting local preferences. Clearing the screen is not necessarily the same as removing a server-side account association. Ask appropriate support when the distinction is unclear. Avoid opening unrelated private messages discovered during inspection. A useful handover record names the processes completed and any remaining access restrictions; it does not assume that the phrase factory reset settles every privacy, subscription and ownership question.
Check destination replacement capability
Before export, identify a service provider able to supply and commission the correct replacement access equipment. Ask what proof of ownership and vehicle information it requires through a private channel. Use the VIN and generation-specific parts process rather than ordering a similar-looking remote online. Include likely support constraints and the complete replacement scope in the budget. An inexpensive key shell is not a functioning coded key. If the candidate has only one usable item, make that limitation explicit before it becomes an emergency after arrival.
Track keys through shipment and arrival
State which key travels with the carrier and how any spare is transferred securely. Reconcile the list at collection and destination using the shipping handover record. Repeat normal access checks after arrival and report missing or different items promptly through the agreed process. Keep a spare securely away from the vehicle in normal ownership. The final result should be independent buyer access, a clear account status and a known support route, not continuing reliance on a seller who is no longer present to unlock or authorise the car.
Buyer checklist
- Inventory keys and any promised programming.
- Test each supplied item independently.
- Use supported former-user removal and transfer procedures.
- Confirm replacement support before shipment.
Questions and answers
Does a screen reset remove all previous-owner access?
Not necessarily. Local settings and connected-service ownership may use separate processes. Verify the applicable removal and transfer steps for the selected Q3.
Can a matching remote shell be used as a replacement key?
Appearance alone is insufficient. Confirm the correct component and supported programming through a competent provider, with appropriate ownership verification.
Reference information
Use the applicable market and year documentation for equipment and operating limits. The references have their own market and publication scope; they do not establish the condition, fitted equipment or destination approval of an individual vehicle.
Continue with the electronics and regional support guide, or send your vehicle requirements.