Refueling; Fuel Types - Volkswagen Golf 2021 Owner's Manual

Refueling

Introduction
The fuel filler flap is on the rear passenger side of
the vehicle.
The minimum required fuel grade for your vehicle
→ page 222, Fuel types is listed on a sticker on the
inside of the fuel filler flap.
To check your vehicle's fuel capacity, see
→ page 325, Fuel capacities.
Refueling
Fig. 150 Rear passenger side of vehicle: Fuel cap
placed on the open fuel filler flap.
Before refueling, always switch off the engine, the
ignition, and all mobile phones, and leave them
switched off until refueling is complete.
Opening the fuel filler cap
The fuel filler flap is on the rear passenger side of
the vehicle.
— Unlock the vehicle from the outside with the ve-
hicle key or press the central locking button in the
driver door to unlock the vehicle from the in-
side → page 90, Doors and power locking system.
— Press on the back part of the fuel filler flap and
fold open.
— Unscrew the fuel cap counterclockwise and re-
move. Use the slot on the fuel filler flap hinge
→ fig. 150 to hold the cap while refueling.
Refueling
The minimum required fuel grade for your vehicle
→ page 222, Fuel types is listed on a sticker on the
inside of the fuel filler flap →
222 Fuel and emission control system
www.carobook.com
fig. 150 (arrow). This
sticker may also be on the hinge of the fuel filler
flap.
— The fuel tank is full when the automatic filler noz-
zle pump switches off the first time →
— Do not try to add fuel after the pump stops! Top-
ping off the tank in this way may fill the expan-
sion space that the tank needs and cause fuel to
overflow, for example, if it gets warmer outside.
Closing the fuel filler cap
— Screw the fuel cap clockwise onto the fuel filler
neck until you hear it click into place.
— Close the fuel filler flap until you hear it latch
shut. The fuel filler flap must be flush with the ve-
hicle body.
WARNING
Spilled fuel can cause fires, explosions, burns, and
other severe injuries.
·
Always stop refueling once the pump nozzle
switches off so that the tank does not overflow.
NOTICE
Remove fuel spills from all vehicle surfaces immedi-
ately to help prevent damage to the paint, tires, and
wheel housings.
Fuel spills may pollute the environment.
Manual release for the fuel filler
flap
There is no emergency release for the fuel filler flap.
Contact an authorized Volkswagen dealer or an au-
thorized Volkswagen Service Facility for assistance.

Fuel types

Introduction
The minimum required fuel grade for your engine is
shown on a sticker on the inside of the fuel filler flap
→ fig. 150.
Bad or poor quality fuel reduces operating perform-
ance, efficiency and service life of the engine. If you
notice any symptoms like rough engine idle or per-
formance or "bucking," immediately reduce the ve-
hicle speed, accelerate slowly, and keep the engine
speed in the middle of the rpm range. Avoid high
rpm and rapid acceleration. If these symptoms
.