Why won't my Range Rover Sport's stop-start work on the parking brake?

I have a new model Range Rover Sport 3.0d HSE Dynamic. I have to say I love it. I traded a Discovery 4 (amazing residual after three years) and recently sold my Cayman S. It fits perfectly between the...

Why don't drivers of vehicles with stop-start use their handbrakes to save fuel?

My Fiesta with EcoBoost 100 averaged 48.5mpg on one long journey, while the on-board computer shows 37.4mpg overall, mostly on short local trips along fairly congested roads in suburban London. May I suggest...

Fiat 500 - start/stop system doesn't work

I have a new Fiat 500 with stop/start, but the system refuses to work. It has been back to the garage numerous times because the stop/start does not apply itself when it should, and when it does it does...

Will the Porsche Cayenne stop-start system damage the battery or DPF?

A friend is purchasing a Porsche Cayenne diesel with a stop-start fuel saving cut-out facility. Firstly, does this rapidly destroy a battery (with all the re-starts)? Secondly, as a diesel with a DPF,...

Is our Fiat 500's stop-start working properly?

The stop-start on my wife's Fiat 500 often either fails to cut the engine when in neutral at traffic lights, and this is accompanied by a dashboard warning symbol, or else it cuts the engine properly but...

Are there any precautions I should follow with regards to turbochargers on stop-start engines?

As I am contemplating buying a car with Renault's TCe 90 engine I have read with interest your recent comments on overheating turbos and would appreciate your advice on some points. Does carbonising build...

Is a faulty battery preventing the stop-start feature from working on my BMW 118d?

I have a December 2007 BMW 118d ED with stop-start and the other associated bells and whistles. This feature has not worked for about nine months. My BMW dealer thinks it might be a poor battery, and suggests...

Does the Fiat 500's engine stop system cause any damage from constant restarts?

This year I have bought myself a Fiat 500. I love it. When at traffic lights and I put the car into neutral, with the hand brake on, the engine cuts out. It is designed to do this to save petrol used while...

Could my Golf's stop-start system cause turbocharger damage by turning off the engine when hot?

The 'start-stop' system on my new Volkswagen Golf TSI is operating very smoothly and presumably contributing to its relatively good urban fuel consumption. However, I recall some discussion about the risk...

Does the stop-start system on my KIA Rio cause extra wear on the engine?

I have recently bought a new KIA Rio 3-spec car. Like many other cars it has an Eco system where the engine shuts off when you stop at traffic lights etc. Sure, if the engine isn't running it is not using...