Anyone who has misfueled their vehicle knows that it can be a very expensive business which can lead to the complete replacement of the engine.

 This simple universal audible device fits onto the inside of the Filler cap with an adhesive rear. Whenever you open your filler cap, it senses the light and emits a simple audible warning letting you know that the vehicle is diesel. This device can potentially save you a fortune and helps to prevent you putting Gasoline in your diesel engine.

The unit fits most vehicles but not all - Measures approx: 71mm x 31mm x 10mm (L x W x D) You should check the suitability of this unit for your vehicle before purchase.

 (appearance may vary from item shown)