Drivers who coast in neutral could end up withdrawing a hefty sum from their bank account if caught doing this so-called 'petrol saving hack'.
Many people have been told that coasting in neutral can actually save you on petrol and therefore also saving you money. However this is a myth and could actually damage your car meaning you'll have to reach into your pocket to pay up more money to get the issue fixed.
Because of this, motorists are being urged not to do this as it puts you at risk of not being in control of your motor.
While it's not illegal to coast downhill, if you get into an accident and you are deemed not to be fully in control of your vehicle, you would be committed an offence.
Not only could motorists face the four figure fines from police - but they can even be disqualified if the accident is caused by using the method with motorists deemed out of control of their car, reports Birmingham Live.
Rule 122 of the Highway Code states that: "Coasting, a term describing a vehicle travelling in neutral or with the clutch pressed down., can reduce driver control."
Failure to have proper control of a vehicle can result in a potential fine of £1,000 or even discretionary disqualification, warns LeaseLoco.
John Wilmot, chief executive of LeaseLoco, said: "When we drive downhill in gear our engine ECU detects that the accelerator isn’t engaged and cuts fuel from going into the fuel injectors.
"We use no fuel or very little when driving downhill in gear. However, when we drive downhill in neutral our engine and wheels become disconnected.
"This forces a small amount of fuel to be sent to the engine due to the car not receiving the rotational power it needs from the wheels, instead of drawing that power directly from the wheels."
