Your trusted source for automotive knowledge
Expert guides on vehicle inspections, car buying and selling, maintenance and the latest automotive news — written by qualified mechanics and fact-checked by our Approved Inspection Station team before they’re published.
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Approved Inspection Station
Approved Inspection Station
Serving Australian drivers since 2006
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Who writes & checks our content
Every guide on Car One is written by qualified motor mechanics and automotive specialists, then fact-checked by our Approved Inspection Station team against current Queensland rules, Australian Design Rules and manufacturer standards before it’s published — and reviewed again whenever the rules change.
Daniel Morrison
Lead Technician · Roadworthy & inspections
18 years on the tools across dealership and independent workshops, focused on pre-purchase and roadworthy inspections.
- Cert III Light Vehicle · AIS inspector
- Articles
Sarah Pham
Service Advisor · Fleet & maintenance
- Cert IV Automotive · MTA member
- Articles
Aaron Whitfield
Workshop Manager · Content reviewer
Fact-checks every guide for accuracy and compliance as our Approved Inspection Station Nominated Supervisor.
- AIS Nominated Supervisor (QLD)
- Profile
Written by a specialist
A qualified mechanic drafts from hands-on workshop experience.
Fact-checked
Our AIS supervisor verifies every claim against current rules.
Enjoy the results
Claims link to QLD Transport, ADR and manufacturer references.
Kept current
Claims link to QLD Transport, ADR and manufacturer references.
Expert guides published
25+
Years workshop experience
2026
Last reviewed & updated
100+
Fact-checked before publishing
What is the 30/60/90 Rule for Cars?
If you have ever heard your mechanic talk about a major service at 60k or a 90,000 km flush and wondered where those …
- Fact-checked
What is the 20/4/7 Rule?
If you have planned a Brisbane-to-Cairns run or a long family trip down the coast, you have probably seen the 20/4/7 rule on …
- Fact-checked
What’s the Most Neglected Car Maintenance?
Every driver knows about oil changes. That is not the problem. The problem is everything else: the five or six maintenance items sitting …
- Fact-checked
Is 50,000 km a Year a Lot for a Car?
Whether you are a fleet driver, a long-distance commuter, or a tradie clocking kilometres across Southeast Queensland, watching the odometer roll past 50,000 …
- Fact-checked
Car Service Intervals & Maintenance: The Complete Guide
Every Brisbane driver has heard a different rule about when to service their car. Some say 10,000 km. Others say every 12 months. …
- Fact-checked
Do I Need a Logbook Service Annually?
You barely drive your car, perhaps 5,000 km a year, and yet the workshop keeps telling you it is time for another logbook …
- Fact-checked
Our editorial standards
How we keep this knowledge hub accurate and trustworthy. Read the full policy →
Named, qualified authors
Every article carries a real author with verifiable trade credentials.
Independent fact-check
An AIS supervisor reviews accuracy before anything goes live.
Corrections welcome
We fix errors fast and log every update on the article.
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