KIA Sportage won't change gears in the cold

My 2005 KIA Sportage doesn't go into gear when the engine us cold, especially during the mornings. Please can you tell me the cause of this?

Can I use 10w-40 oil in my Toyota Yaris Verso?

My trusty Toyota Yaris Verso [petrol] runs happily enough on 5w-30 fully synthetic oil. Would there be any problem in topping up between services with some 10w-40 semi-synthetic oil that I have spare?

Buying a Fiat 500 - hardtop or convertible?

I am interested in the Fiat 500C (TwinAir) but am worried about the maintenance of the fabric roof. I live on a street with lots of trees which drop honeydew in the early summer. I am an OAP and would...

Volkswagen Tiguan emissions fix - what do I need to know?

I have received the invitation to have my Volkswagen Tiguan 2.0 TDI "fixed" by the main dealer to deal with the emissions issue. I have read the reports on your site of post-"fix" problems and I wonder...

Will an air con specialist repair a compressor clutch?

You say in your Telegraph column that air con specialists will repair a compressor clutch; however, I can't find one on the south coast that will do this. Instead, they will only replace the compressor....

Do I need to change the water pump on my Volvo XC70?

My 2005 Volvo XC70 last had a cam belt in May 2013. The water pump was not replaced then for some reason. It has since done a further 30,000 miles. Can you advise when the cam belt should be replaced again,...

How can I remove windscreen scratches?

I've noticed recently that, on my Audi A3, there's a scratch on the interior of the windscreen. It is fairly deep, what can be done to get rid of it? Or at least try and lessen the damage?

Where can I get a new ECU for my classic 911?

Where would you suggest I get a replacement ECU for my 1990 Porsche 964 Carrera 2 Cabriolet, part No: 911.618.124.04?

Is it safe for a battery to be permanently connected to a mains charger?

Is it safe for a Honda Jazz battery to remain in the car and permanently connected to the mains via a smart charger through the winter?

Is it safe to connect a battery to a 'smart' mains charger all winter?

I see that you replied to Brian Joslin's question "Is it safe to connect a battery to a 'smart' mains charger all winter" in the negative, but I thought that is exactly what they are designed to do (although...