Can I disconnect the alarm in my Volkswagen Passat?

The alarm on my Passat keeps going off. I do not want to spend money on diagnostics as my experience is that these problems reoccur. Is it possible for me to immobilise it completely? If so, how?

Why do my Golf's windows open when parked in the rain?

I have a 2009 Golf 1.4 TSI SE which is still under warranty. Last night we had very high winds and heavy rain and, when I looked this morning, all four windows of my car were open at the same level and...

Airbag warning light has come on in my BMW 318d Touring - where can I have the sensor changed?

I have a 2005 BMW 318d Touring. Recently the airbag warning light has been coming on. BMW says the problem is a faulty passenger seat sensor and I am told that this is a failsafe system, where the fault...

My keyfob is suffering interference - what could be causing it?

I discovered that my car keys worked normally away from my house, but not close to it. I infer that there is some kind of local interference weakening the signal from the key to the car, possibly RF. There...

Bought a Volvo S80 with electrical problems - how can I make the dealer repair the faults?

Earlier this year I purchased a low mileage Volvo S80 SE from a Volvo dealership with a year's warranty remaining from new. Almost immediately I had a problem with the electronics, which are quite sophisticated....

What is causing this alternator/battery fault in our 2008 Vauxhall Corsa?

My daughter purchased a new Corsa 1.2 in January 2008. The car is used every day to commute to work, a round trip of 10 miles and in addition, it is used for social driving at weekends. It's normally driven...

Why won't Mercedes-Benz replace the SBC unit in our 2004 E320?

Mercedes-Benz has confirmed via diagnostics that the SBC unit on our 2004 E320 CDI has gone. I am aware there have been problems with this unit, possibly even a recall. Mercedes-Benz has offered to go...

Why has my Ford Focus' speedometer has developed an intermittent fault?

I have a Ford Focus estate with a 1.8 Zetec engine, registered in 2001. It has now travelled about 75,000 miles with no problems. Recently a fault has developed: the speedo and milometer stopped working...

The ESP light on my SEAT Leon has come on - should my dealer repair it?

My 27,000 mile 2007 SEAT Leon 2.0 petrol FR, main dealer purchased and serviced, had just passed MoT when the ESP light on the dash appeared. In the past you have stated that this is a known VAG problem....

Thanks for your advice regarding a failed crank position sensor in our Renault Clio.

Just a quick note to thank you for your advice. Having always burst into life at the first turn of the key, our 105,000-mile Renault Clio developed an intermittent starting problem. When this occurred,...