If your car has just gone poopy in its trousers, prematurely, well before automotive dementia is supposed to set in … here’s what you do

Coming up: What’s safer - a plastic fuel tank or a steel one? Plus - the idiot’s guide to destroying a nuclear submarine. (That sounds like fun.)

Three stars on safety for the Kia Stinger sounds pretty bad, but can you handle the truth?

The Tesla truck - the much-hyped, as-yet unreleased, battery-powered Semi - is heavy-hauling electrified pie in the sky. Here's why:

That engine power figure you read in the specs: Where does it really come from? How is it determine? Is there any guarantee?

Using cruise control in the wet: Is this a good idea, or a good way to summon a demon from the pit of hell? I get this question a lot...

Has fuel diluted your engine oil? Is this a real thing in engines? Is it wreaking havoc? How would you even know, and what can you do?

If there's an easier way to void your factory warranty, I haven't found it - and yet an increasing number of people seem to think servicing is optional

Does premium fuel make your car go better? Is it worth running the 'good' stuff? Or are you really just pumping cash out the exhaust pipe?

Your warranty does not depend on genuine parts and authorised dealers. Aftermarket alternatives will save you cash without voiding your warranty

The all-important new-car test drive is part of every purchase decision: Don’t make these classic mistakes, if you know what's good for you.

Premium diesel versus the standard stuff … is there a real benefit here, with the good stuff, or is it overwhelmingly marketing BS?

Re-chipping, re-flashing and re-mapping your engine control ECU: Many people queue up to do it - and often it ends in tears

In these increasingly speed-obsessed times, how accurate is your car's speedo, really? What are the rules? And how can you possibly check it?

When automotive engineering goes off the rails, we end up with the wrong names for vital components. Here are the 3 worst offenders

If you are on the not-so merry-go-round of DPF near-death experiences, here’s everything you need to know to get you - and your vehicle - back on track

If you don't know a GTM from a GCM, here's everything you need to know to get started towing a trailer in Australia

Your car is part of the Takata airbag recall. A replacement is months away. Your first instinct is to disconnect the airbags. Is this smart, or deadset dumb?

AdBlue reduces toxic diesel emissions. But can the carmaker compel you to use their own brand of AdBlue in your diesel car?

Will cargo down the back become lethal projectiles and guillotine you in a crash? Why don’t all wagons and hatches come standard with cargo barriers?