Volkswagen Golf Owners Manual: Bioethanol (Ethylalcohol)

Volkswagen Golf Owners Manual / While driving / At the filling station / Fuel / Bioethanol (Ethylalcohol)

First read and observe the introductory information and safety warnings

Bioethanol E85 consists of 15% petrol (RON 95) and 85% bioethanol (ethylalcohol). Bioethanol E85 normally contains a red dye for identification.

When using the MultiFuel engine with bioethanol, the fuel consumption may rise by approximately one third in comparison to petrol, but the CO₂ emissions remain below those measured when petrol is used exclusively.

Starting the engine at low outside temperatures

Bioethanol has poor cold-starting properties and it is not easy to start the engine at low temperatures. At outside temperatures of below -10°C (+14°F), the engine should be preheated ( ) or the quantity of petrol (RON 95) in the mix should be increased.

Outside temperature	Minimum engine preheating time:
Above -10°C (+14°F)	Engine preheating is not necessary.
Below -10 C (+14°F)	Preheat the engine for up to one hour.
Below -15℃ (+5 F)	Preheat the engine for at least one hour.
Below -25 C (-13 F)	Preheat the engine for at least two hours.

NOTICE

Before parking the vehicle for an extended period, fill the tank with fuel with a high percentage of petrol. Bioethanol E85 can contain a small amount of contaminants that may cause corrosion.

Volkswagen recommends that you fill the tank with petrol every 15,000 km to reduce the contaminants in the engine deposited by bioethanol E85.

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