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I don't blame you Paula for being reluctant to drive it. If you are still hesitant about rejecting the car contact a solicitor for advice, but don't leave it too long. Driving the car with known faults might be construed as accepting them.

Hi Gareth, Well I've only just seen your reply as I have already checked the fuses on both sides of the side dash boards in situ and all is good which points to like you have said, a broken wire somewhere. Thanks for the advice and I'll will look there tomorrow. Regards Ian

Agreed regards suspension, that said, a Q7 50 TDI isn't a lightweight. Could be hydrabushes on lower arms. Top arms usually knock when worn.

C7 AdBlue tank is 17 litres. Normally the message will say top up 8 litres. If you’ve put in 30 litres, then it’s gone somewhere.

It only mentioned lithium grease. It's nothing special and available all over the world.

That's why you need to look.

Template letter if required I am writing to formally reject my vehicle under the Consumer Rights Act 2015. Vehicle details • Make/Model: Audi • Registration: • Purchase date: • Purchase method: • Current mileage: approximately Since delivery, the vehicle has suffered from an engine management fault, evidenced by warning lights illuminating on the dashboard. This fault has caused serious concern regarding the vehicle’s reliability, safety, and the risk of consequential engine damage. I first reported this issue to ……………and the vehicle attended the workshop on ………list all………..for investigation and repair. Despite this attempted repair, the fault has not been resolved. I have since been informed that the vehicle is now booked in again for further investigation on …………date……….. Given that this fault was first reported in …………date ………… and remains unresolved several months later, I do not consider this to be a reasonable or acceptable timeframe for resolution. I am also aware that this same fault is widely reported by other 2025 Audi Q5 owners across multiple independent automotive forums and owner groups, indicating that this is likely an inherent or systemic defect, rather than an isolated issue affecting my vehicle alone. As this fault has arisen well within the first six months of ownership, it is legally presumed to have been present at the time of supply. In light of the failed repair attempt, the prolonged delay, and the ongoing nature of the defect, the vehicle is not of satisfactory quality and does not meet the requirements of Sections 9, 19, and 24 of the Consumer Rights Act 2015. I am therefore exercising my final right to reject the vehicle and request a full refund, including any associated fees, in accordance with my statutory rights. Please also note that while displaying engine management warning lights, the vehicle would fail an MOT inspection, and I am unwilling to continue using a vehicle in this condition or consent to further repair attempts. Please provide written confirmation within 14 days of: Acceptance of this rejection Arrangements for the return of the vehicle Timescales for full reimbursement Please ensure that all future correspondence is conducted in writing.

I’m going through a similar process with my 2025 Audi Q5 TDI rejecting the car, it failed to start and required Audi assistance, logged 124 fault codes, too many inherent defects rejecting vehicle.

A 2025 car should still be under guarantee. If the dealer can not fix it, reject the car and ask for a refund.

As I’ve said before, I’ve always used VAG’s Quantum brand - Longlife 3 variant - available from reputable sellers on EBay. Regards, Gareth.

Suspect 5w30. You can double check on Castrol’s site. As long as VW 504 00/507 00 compliant. Use Edge LL and change every 8-10k miles. Mann filters are OE.

Hi Sytner are a particularly evil dealership to deal with whatever brand you are buying, my niece bought a brand new Mini from them and had multiple faults with it in the first year, so we had a years ownership but worked out the car only functioned properly for four months even the dealers were embarrassed when the courtesy car flaked out on the M25 in the middle lane seized solid no oil apparently, they wanted to trailer the car back to the dealers but my brother in law hijacked it and held it at his mates the recovery owner until they gave her a refund otherwise he would publish the findings of an engineers report that he had commissioned £400 on a two year old courtesy car, after that they keep on messaging Charlotte with all sorts of promises of upgrades and free gifts if she bought from them again, so she sent them a new personal email address to send all promises to ,[email protected], the moral being don't let up these shysters. Steve.