Why is our Mercedes-Benz E320 difficult to start?

I have a quick query about our second car, a 2006 Mercedes-Benz E320 CDI saloon. After a fault-free three years we have now had an alternator fail and, more recently, it is very slow to start, but only...

Why does my Toyota's alarm keep going off?

My factory-fitted alarm recently started going off randomly. Toyota Cardiff checked the battery and it all seems ok. It tends to happen in the evening or during the night, perhaps with cooler temperatures....

Why did our Peugeot 406's airbag deploy for no reason?

I was driving my wife’s 1999 Peugeot 406 110 HDI estate earlier today when the airbag warning light came on. The car has been prone to a few electrical faults in the past, so I thought I would take the...

Why is my Citroen DS4's speed limit detection not working on all roads?

My Citroen DS4 is equipped with a navigation system that displays the speed limit of the road on which I'm driving, but only on about 5 per cent of roads. Surely it should be possible to achieve this on...

Should I buy a Meriva B or Mercedes-Benz B-Class with a push-button handbrake?

I have driven a Vauxhall Meriva since 2005 and have been contemplating a change, perhaps to a Meriva B or possibly a Mercedes B-Class. These both have push button parking brakes. Am I being foolishly old...

Can the satnav in my BMW X3 be improved?

I'm having problems with my four month old BMW X3's factory-fitted satnav system, which came as part of the £2500 Professional package. It takes a full seven digit postcode but I have found the satnav...

How can I upgrade my TomTom Navigator to accept seven digit postcodes?

I use TomTom Navigator 7 on a Windows smartphone which came with four digit postcodes only, so I decided to see if any upgrade was available. There was nothing on the TomTom website so I tried a wider...

Has our Volvo XC60 got a battery fault?

My Volvo XC60 D5 (205) SE Lux Premium AWD Geartronic was purchased on 24 July 2010. At the beginning of August 2011 I couldn't drive for some eight weeks, and in the third week of August I started and...

Why did our Volkswagen Transporter lock itself shut with the engine running?

My son owns a 2005 Volkswagen Transporter T28 TDI. On a Friday morning at a temperature of -8 degrees centigrade, he started up to warm the interior and clear the windows etc. Returning after about 20...

Why does my Hyundai's ISG keep failing?

I bought a new Hyundai ix20 in May 2011. The ISG (Intelligent Stop and Go) stopped working after ten days and since then it's been back to the garage half a dozen times to be fixed. Each time, the car...