My car is showing a 'check exhaust emission' light - what should I do?

I have a 2008 Renault Koleos 2.0d. In the past two weeks I've done four journeys in excess of 50 miles at high speed (dual carriageway). A couple of days ago, a warning appeared saying "check exhaust emission"...

I didn't know short runs could damage a diesel car - should I change my diesel Mazda 6?

Although I really like my diesel Mazda 6, I had no knowledge regarding the DPF i.e. short runs not doing it any good. Are there any other cars with as good a spec as the Mazda 6, which are less complicated?...

Why is the oil level in my Kia Sportage so high after it's been driven?

My Kia Sportage oil level reads at well over the max mark when the engine has been running. I've been to Kia and they can't find a problem. What do you think it is?

How often should the oil and filters be changed in my Land Rover Discovery Sport?

How often should the oil and filters be changed in my Land Rover Discovery Sport?

Why won't my Hyundai Santa Fe let me upshift if it thinks we're going too slow?

My Hyundai Santa Fe will not let me change up manually if it thinks we are going to slow. My other Tiptronic auto would let me go into any gear, even at 30mph I could put it in top gears.

Why does our diesel Nissan X-Trail need work done because we don't drive it enough?

I was sold a brand new Nissan X-Trail diesel almost two years ago. I told the dealer that we only travel around 8000 miles a year and now I'm being told the car needs £300 of work due to not being driven...

I've not had to top up the oil in my Peugeot 308 in between services - is something wrong with it?

I have a Peugeot 308. I have done 20,000 miles since I bought it, total mileage is 40,000, and I had the engine oil changed twice. I'm concerned that I have not had to top up the oil level in between services....

Why is the regeneration not clearing the DPF warning on my car?

I have a risk of particle filter blocking warning showing up. Why is the regeneration not clearing it even after a long run at high speed?

I bought a Mazda 3 four months ago - a fault has now occurred, can I claim the cost of repairs from the garage?

I bought a Mazda 3 2.2d in June this year. Four months later, the oil pressure light is on. The dealership warranty was only for 60 days. Who do I set a claim against to have the car repaired? I feel the...

Our BMW 1 Series is showing a DPF light - is this because we only use it for short journeys?

I recently bought my son a BMW 1 Series for his 18th birthday. Soon after the filter light came on. We took it to a garage to be looked at and the turbo was burnt out, so had to be replaced. We also had...