Does servicing at an independent void my new car warranty?

Updated 18 Sept 20265 minute readBy AutoworkX, Coburg North

No. In Australia your manufacturer's warranty does not depend on where the car is serviced. It depends on the service being done to the manufacturer's schedule, with parts that meet the specification, by a qualified mechanic, and on you being able to show that it was.

What the rule actually says

The Australian Consumer Law sits above any manufacturer's warranty. A dealer can recommend you service with them. They cannot make the warranty conditional on it. What they can require is that the car is looked after the way the logbook says, using parts and fluids that meet the standard the manufacturer sets.

That is why the logbook matters so much. It is the schedule, and it is the record. The stamp is not a formality, it is the evidence that the schedule was followed on the day the kilometres came around.

Three things have to be true

  • The schedule is followed. Each service is done at the interval in the book, and covers what the book lists for that interval, not a generic oil change.
  • The parts and fluids meet the specification. Genuine or equivalent, and the oil grade the manufacturer names. The invoice should say which.
  • You can prove it. A stamped book, dated, with an itemised invoice behind every stamp.

Miss any one of the three and you are relying on goodwill rather than on a record. Get all three right and the question of who did the work stops being interesting.

Dealer and independent, side by side

What mattersDealerAutoworkX
Follows the logbook scheduleYesYes
Parts and oils to specificationYesYes, Castrol partner, genuine parts on request
Book stamped and invoice itemisedYesYes
Warranty stays intactYesYes
Who you talk toService adviserThe mechanic

The row that changes the day is the last one. At a dealership you talk to a service adviser who relays what the workshop found. Here you talk to the person who had the car on the hoist.

What we do at every logbook service

We service to the interval in the book, use oils to the manufacturer's grade, list every part and its specification on the invoice, stamp the book and keep the record. If a dealer ever queries a claim, you hand over the book and the invoices and the conversation is short.

Where a car keeps its service history digitally rather than on paper, the itemised invoice is the record. Keep them together, because a run of invoices with dates and kilometres does the same job as a page of stamps.

What the record has to show

A warranty conversation is a document conversation. Whoever is asking wants to see the date, the kilometres, the interval that was carried out, the parts that went in and the fluids that were used. If all five are on the page, there is nothing to argue about.

  • The date of the service and the odometer reading on the day
  • Which scheduled interval it was, not just the words minor or major
  • Every part fitted, with its number or its specification
  • The oil grade and the manufacturer approval it meets
  • The workshop name and the signature or stamp

Keep the invoices with the book, or in a folder on your phone. On a car that logs its history digitally, the invoices are the history, so losing them costs you more than losing a stamp would.

Consumer guarantees are separate again

Beyond the manufacturer's warranty, the Australian Consumer Law gives you guarantees that cannot be signed away. A car has to be of acceptable quality for a reasonable period, and what counts as reasonable takes the price, the age and the kilometres into account.

That is why a serious fault can still be the manufacturer's problem after the warranty period has run out. Servicing the car properly and keeping the record is what puts you in a position to make that argument.

What about capped price servicing?

A capped price servicing plan is a price promise from the manufacturer, not a warranty condition. Leaving the plan can mean giving up that fixed price at the dealer, and on some cars it is genuinely good value for the first few intervals. It does not put the warranty at risk.

Worth doing the sums either way. Compare the capped price for your next interval against a quote from us for the same schedule, and look at what each one actually includes.

When to book

When the kilometres on the windscreen sticker come around, when the service light comes on, or when twelve months have passed since the last stamp, whichever is first. Book a logbook service with the kilometres on the dash and we quote the interval before work starts.

Common questions

My dealer said the warranty needs dealer servicing. Is that right?
A dealer can recommend it. Under the Australian Consumer Law they cannot make the warranty depend on it, as long as the servicing meets the manufacturer's schedule and specification.
Do I need genuine parts to keep the warranty?
Parts need to meet the manufacturer's specification. Genuine parts do, and so do quality equivalents. We say which we have used on the quote and the invoice, and fit genuine on request.
What if I have missed a service?
Book the next interval as soon as you can. A gap in the history is the thing that causes arguments later, so the sooner the book is back on schedule the better.
Does this apply to a used car still under warranty?
Yes. The remainder of a manufacturer's warranty follows the car, and so does the requirement to keep servicing it to the schedule with a record you can produce.

Bring the book. We service to the schedule and stamp it.