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Putting petrol in your diesel vehicle can be an expensive error. At best, you need to have the fuel system drained. At worst, serious damage can be caused to the engine potentially costing hundreds or even thousands of pounds The AA estimates that about 120,000 motorists a year fill their vehicle with the wrong fuel. Think! Diesel is a simple but clever sealed voice unit which is activated by light when you open your filler cap. A clear, urgent voice reminds you ""Stop! Diesel, Remember! Diesel" twice. The unit requires no wiring - simply fix to the inside of your filler flap with the sticky pad supplied. It is activated by light when you open the filler flap. The bright yellow box acts as an additional reminder. Particularly useful if you regularly drive both petrol and diesel cars - maybe you have one of each in the family - where a moment's absent mindedness could have catastrophic consequences Suitable for diesel vehicles with an opening flap over the filler nozzle. The unit measures approximately 32mm x 72mm x 10mm deep - please check there is space under your filler cap (very few don't have space). Integral battery is not replaceable as EU safety laws require the unit to be sealed. However, the battery should enable the unit to be activated around 600 times Available in bulk at a great price for retailers!
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Top Customer Reviews
Once the flap is opened & the Photocell is exposed to a light source a programmed voice says quite loudly: 'Remember Diesel'
It repeats this twice more, a total of three times. It is a simple device which is thin & still allows the Fuel Flap to be closed.
Costs under £5 which includes the postal cost. There are other devices which are fastened around the filling spout by Grub Screws. Thes are getting towards the £40 mark.
I can thouroiughly reccommend this Product.
Trevor R. Wilkin
Note - in the winter months if you fill up at a dark petrol station the light sensor in this may not trigger. I thought my one didn't work until recently. Luckily the sight of a large yellow object on your fuel cap is also a help.
The voice is annoying. It is meant to be.
This won't fit on some cars. It was a challenge to fit it into my C4 Grand Picasso. They do show you the dimensions so go have a look how much space you have.
OK so it's a little bit embarrassing with it 'bing-bongs' and stern sounding gent warning you to put diesel in but if it saves you a whacking great bill then it's job done. The only thing I would say is that in isolation, they are loud enough but on a noisy petrol station forecourt they can be hard to hear. As i said, we still had one misfuel despite the warning being in place.
They stick well on the inside of the flat - none have fallen off so far. They are light activated and seem to work well at night, even under dimmer forecourt lighting.
I have founds this device works ok... but have noticed on the odd occasion it fails to sound when the fuel cover is opened.
I can only put this down to not enough light exposure to it when the cover is opened.
But for the price, I think it is really good value! Especially when I was quoted £200 to drain the petrol out!!
Most Recent Customer Reviews
We always have one of these in the diesel car! I just wish I could get one that says Think Petrol - having two cars with different fuels can be confusng!Published 4 minutes ago by Christine Lincs
Bought this as a practical joke. A guy at work stuck petrol in his diesel car so I stuck this inside his locker. When he opened the door it immediately went off and so did he.Published 10 days ago by Doughboy1978
After filling with the wrong fuel we decided to buy this item, it's excellent. No errors are now likely thank goodness.Published 3 months ago by Jane Ayre
Very useful the only drawback is that it does not work with artifical light no matter how well lit a forecourt is at nightime.PityPublished 3 months ago by Philip