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Top Gear Advice

How to look after your car: your most-googled questions, answered

You asked the internet, we replied with some (possibly unhelpful) advice

Published: 23 Jan 2025

Why does my car smell of petrol?

If you’re driving a petrol car, could be a fuel leak. If you’re driving an EV, could be that ‘Eau de V8’ air freshener you’ve got hung from the rearview mirror. Either way, why are you complaining? Petrol is the most delicious smell of all the smells. Consider yourself lucky.

Why does my car squeak when I drive?

Mice in the suspension. Call Rentokil.

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Why won't my key turn in the ignition?

If the key won’t rotate in the ignition cylinder, this could be because it’s worn or damaged. On the other hand, it could be because you’ve just got into the wrong car. Hang on, those aren’t your sunglasses in the centre console! And you don’t even like Trebor mints. Oh God, you’re in someone else’s car.

What does the warning light on my dashboard mean?

There are many different faults that can trigger a dash warning light, so check your owner’s manual to narrow it down. If the warning light goes off of its own accord, this could mean you no longer have a broken car. However, it may mean that you have a broken car and also a broken warning light.

What oil should I put in my car?

Depends on the car. Though all engines vary, if you’ve got a regular, non-performance car, 10W-30 is a good all-round oil providing protection in all weather conditions. If you live in a colder climate, consider a lower viscosity oil. If you have an Italian performance car, consider a cold press extra virgin olive oil with a dash of balsamic for added piquancy.

Why aren't my tyres wearing evenly?

Wonky tyre wear – for example a bald left rear – can indicate a range of underlying mechanical issues, including misaligned wheels, suspension faults or uneven tyre pressures. However, it can also indicate that you’ve been doing loads of donuts in your local Morrisons car park, desperately trying to coax your Renault Twingo into a sick drift. In your case, it’s the roundabout hooning, isn’t it?

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Why isn't my car accelerating?

Because you’re driving a Suzuki Celerio.

Why is my car alarm going off?

Like, right now? Well, if you’re not currently in the middle of a freak hailstorm, it’s most likely either a) a fault with the alarm sensors or wiring, or b) someone breaking into your car. If it’s a), best get the system checked by your local garage. If it’s b), best get a baseball bat...

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