2021 VOLKSWAGEN UP! engine

Preparation
•Switch off the ignition, the lights and all electrical consumers.
•Open the appropriate fuse box ⇒ Fuses in the vehicle.
Detecting a blown fuse
A melted metal strip indicates that the fuse has blown ⇒ Fig. 160.
Shine a torch onto the fuse. This will help you to spot the blown fuse more easily.
Changing a fuse
•Take the plastic pliers ⇒ Fig. 161① out of the holder if needed. The holder is on the rear side of
the fuse box near the diagnosis connection.
•For small fuses, push on the catch ⇒ Fig. 161① from above ⇒ Fig. 161A.
•For bigger fuses, push the catch ⇒ Fig. 161① onto the fuse from the side ⇒ Fig. 161B.
•Remove the fuse
•If the fuse has blown, replace it with a new fuse of the same amp rating (same colour and same
markings) and same size ⇒.
•Insert the cover again or close the fuse box cover.
•If used, replace the pliers in the holder behind the fuse box.
Changing bulbs
 Introduction
This chapter contains information on the followingsubjects:
⇒ Information on changing bulbs
⇒ Changing bulbs in the front headlights
⇒ Changing bulbs in the front bumper
⇒ Changing bulbs in the tail light cluster
⇒ Changing the bulb in the number plate light
⇒ Changing bulbs in the side turn signals
Changing the vehicle bulbs requires considerable technical skill. If you do not feel confident with the
procedure, Volkswagen recommends that you have the bulbs changed by a Volkswagen
dealership, or that you seek other expert assistance. Contact a qualified workshop if other vehicle
parts around the lights need to be removed.
You should keep a box with spare light bulbs for the lights that ensure the vehicle is roadworthy in
the vehicle at all times. Spare bulbs are available from Volkswagen dealerships. In some countries
it is a legal requirement to have these spare bulbs in the vehicle.
It may be illegal to drive with a defective bulb in the exterior lighting.
Additional bulb specifications
Some bulbs in headlights or in tail light clusters might have factory specifications that are different
to standard bulbs. The designation is inscribed on the bulb, either on the glass part or on the base.
Additional information and warnings:
•Exterior views ⇒ Exterior views
•Lights and vision ⇒ Lights and vision
•Preparation for working in the engine compartment ⇒ Preparation for working in the engine
compartment
•Vehicle toolkit ⇒ Vehicle toolkit
•Fuses ⇒ Fuses
You can damage another position in the electrical system by using a fuse with a higher amp
rating.
NOTICE

Park the vehicle on a firm and level surface at a safe distance from the flow of traffic.
Apply the handbrake firmly Braking, stopping and parking.
Turn the light switch to position 0 Lights.
Shift the turn signal lever to neutral Lights.
Automated manual gearbox: move the selector lever to D or R Changing gear.
Stop the engine and remove the vehicle key from the ignition Starting and stopping the
engine.
Manual gearbox: select a gear Changing gear.
Leave the defective bulbs to cool down.
Check to see if a fuse has blown Fuses.
Follow the instructions to change the affected bulb . Always use identical bulbs with the
same designation. The designation is inscribed on the bulb, either on the glass part or on
the base.
Do not touch the glass part of the bulb with unprotected fingers. The heat of the bulb would
cause the fingerprint to evaporate and condense on the reflector. This will impair the
brightness of the headlight.
After changing the bulb, check to ensure that the bulb is working properly. If the bulb is not
working properly, the bulb may not have been inserted properly or may have failed again,
or the connector may have been inserted incorrectly.
Any time you change a bulb in the front of the vehicle, the headlight settings should be
checked by a qualified workshop.
Information on changing bulbs
First read and observe the introductoryinformation and safety warnings⇒
Introduction
Checklist
Always carry out the following actions for changing a bulb in the given order ⇒:
Accidents can occur if roads are not sufficiently illuminated and other road users have
difficulty seeing the vehicle, or cannot see it at all.
WARNING
Changing the bulb incorrectly can cause accidents and serious injuries.
•When working in the engine compartment, always read and observe the safety warnings
⇒ Preparation for working in the engine compartment. The engine compartment of any
motor vehicle is a dangerous area. Serious injuries can be sustained here.
•H4, HB4 and H7 bulbs are pressurised and could explode when they are being changed.
•Only change the defective bulb once it has had time to cool down completely.
•Never change a bulb unless you are familiar with the procedure. If you are uncertain of
what to do, the work should be carried out by a qualified workshop.
•Do not touch the glass part of the bulb with unprotected fingers. When the light is switched
on, heat will cause fingerprints to evaporate on the bulb, which in turn will cause the
reflector to dim.
•There are sharp-edged parts in the headlight housing in the engine compartment and on
the tail light cluster housing. Protect your hands when changing bulbs.
WARNING
Damage to the electrical system could be caused by water entering the system if the rubber
cover on the headlight housing is not properly mounted.
NOTICE
Ignoring any of the items on this important safety checklist can lead to accidents and severe
injuries.
•Always follow the instructions in the checklist and observe the general safety procedures.
WARNING
Always take care when removing or fitting lights to prevent damage to the paintwork or to
other vehicle parts.
NOTICE

Changing bulbs in the front headlights
Fig. 162 In the engine compartment: rear view of the left-hand front headlight with rubber cover: ①
dipped beam and main beam, ② side lights and daytime running lights, ③ turn signal and
retaining clip ④
First read and observe the introductoryinformation and safety warnings⇒
Introduction
The front headlight does not need to be removed when changing bulbs.
The actions should only be carried out in the specified order:
⇒ Fig. 162①②③
Dipped beam and
main beam
headlights
Side lights and
daytime running
lights
Front turn signal
1.Observe and follow the instructions on the checklist ⇒ Information on changing
bulbs.
2.Open the bonnet ⇒ Preparation for working in the engine compartment.
3.
Remove the connector
from the H4 bulb. Pull off
rubber cover using the
tabs.Turn the bulb holder anticlockwise as far as it will go
and pull it out to the rear along with the bulb.Push retaining clip ④ in
the direction of the arrow
to the front, unhook at
side and fold away.
4.Remove bulb from bulb holder. If necessary, press the catch on the bulb holder.
5.Replace the defective bulb with a new bulb of the same type.
6.
Fit the new bulb, fold back
the retaining clips ④ and
hook in.
Insert the bulb holder into
the headlight and turn it
clockwise as far as it will
go.
Insert the bulb holder into
the headlight and turn it
clockwise as far as it will
go.
7.
Put the rubber cover on
and check if it is fitted
securely. Attach
connector to the H4 bulb.
The illustrations show the left-hand headlight from the rear. The right-hand headlight is a
mirror image of the one shown.
Changing bulbs in the front bumper
Fig. 163 In the wheeI housing front right: removing the securing bolts (arrows) and the spreader
rivet Ⓐ

Changing bulbs in the side turn signals
Fig. 169 Removing the side turn signal bulb
Fig. 170 Side turn signal: changing the bulb
First read and observe the introductoryinformation and safety warnings⇒
Introduction
The actions should only be carried out in the specified order:
1.Observe and follow the instructions on the checklist ⇒ Information on changing bulbs.
2.With one hand, push the side turn signal to the front ⇒ Fig. 169①.
3.Manually lever the side turn signal out of the vehicle body ②.
4.Pull the bulb and bulb holder out in the direction of the arrow ⇒ Fig. 170①.
5.Pull the bulb straight out of the bulb holder.
6.Replace the defective bulb with a new bulb of the same type.
7.Replace the bulb holder.
8.Insert the side turn signal into the body, with the side facing the rear of the vehicle first.
Push it in until the spring on the other side of the side turn signal engages.
Starting the engine with jump leads
 Introduction
This chapter contains information on the followingsubjects:
⇒ How to start the engine using jump leads
If the engine fails to start because the vehicle battery is flat, the flat battery can be connected to the
battery of another vehicle to start the engine. Before using jump leads, check the window on the
vehicle battery ⇒ Vehicle battery.
Jump leads must comply with DIN 72553 (see manufacturer's documentation). On petrol engine
vehicles, the conductor must have a cross-section of at least 25 mm.
Additional information and warnings:
•Pull-away assist systems ⇒ Pull-away assist systems
•Preparation for working in the engine compartment ⇒ Preparation for working in the engine
compartment
•Battery ⇒ Vehicle battery
Before inserting the screwdriver, slide a piece of paper (or similar) in between the screwdriver
and the bumper in order to prevent any damage to the paintwork on the bumper.
NOTICE
2

How to start the engine using jump leads
Fig. 171 How to connect the jump leads when starting vehicles without start/stop system:
discharged battery Ⓐ and battery providing assistance Ⓑ
Fig. 172 How to connect the jump leads when starting vehicles with start/stop system: discharged
battery Ⓐ and battery providing assistance Ⓑ
First read and observe the introductoryinformation and safety warnings⇒
Introduction
Vehicle with discharged battery that is being jump-started.
Vehicle with vehicle battery that is supplying power and jump-starting the other vehicle.
Suitable earth connection. A solid metal part that is firmly bolted to the engine block, the
engine block itself or, where fitted, the screwed-in towing eye at the front ⇒ Tow-starting and
towing.
Using the jump leads incorrectly or completing the jump start procedure incorrectly can cause
the battery to explode, which can lead to severe injuries. Please note the following in order to
reduce the risk of the battery exploding:
•All work on the vehicle battery and the electrical system can cause serious chemical
burns, fire and electric shocks. Always read the warnings and safety information before
carrying out any kind of work on the vehicle battery ⇒ Vehicle battery.
•The vehicle battery providing assistance must have the same voltage as the discharged
vehicle battery (12 volt) and approximately the same capacity (see markings on battery).
•Never charge a vehicle battery once it has been frozen. Discharged vehicle batteries can
even freeze at temperatures of around 0°C (+32°F).
•The battery should be replaced if it is or has ever been frozen.
•A highly explosive mixture of gases is given off when the vehicle battery is jump started.
Always keep fire, sparks, naked flames and lit cigarettes away from the vehicle battery.
Never use a mobile telephone when the jump leads are being connected or disconnected.
•Only charge the battery in a well-ventilated space as the battery emits a highly explosive
mixture of gases when the vehicle is being jump started.
•Position the jump leads so that they never come into contact with any moving parts in the
engine compartment.
•Never confuse the negative and positive terminals or connect the jump leads incorrectly.
•Observe the jump lead manufacturer's instructions.
WARNING
Please note the following in order to avoid considerable damage to the vehicle electrical
system:
•A short circuit can be caused if the jump leads are wrongly connected.
•The vehicles must not touch each other, otherwise electricity could flow as soon as the
positive terminals are connected.
NOTICE

The discharged vehicle battery must be properly connected to the vehicle's electrical system.
The vehicles must not touch. Otherwise electricity could flow as soon as the positive terminals are
connected.
Ensure that the battery clamps have good metal-to-metal contact with the battery terminals.
If the engine does not start immediately, switch off the starter after about 10 seconds and try again
after about half a minute.
The steps should only be carried out in the specified order.
Attaching the jump leads
•Switch off the ignition in both vehicles ⇒ Starting and stopping the engine.
•If necessary, open the battery cover in the engine compartment ⇒ Vehicle battery.
•Connect one end of the red jump lead to the positive terminal ⇒ Fig. 171⊕ or ⇒ Fig. 172⊕ in
the vehicle with the discharged battery Ⓐ ⇒.
•Connect the other end of the red jump lead to the positive terminal ⊕ in the vehicle providing
assistance Ⓑ.
•In vehicles without start/stop system: connect one end of the black jump lead to the negative
terminal ㊀ in the vehicle providing assistance Ⓑ ⇒ Fig. 171.
•In vehicles with start/stop system: connect one end of the black jump lead Ⓧ to a suitable
earth connection, to a solid metal part that is securely bolted onto the cylinder or to the cylinder
block itself ⇒ Fig. 172.
•Connect the other end of the black jump lead Ⓧ to a solid metal component bolted on to the
engine block, or onto the engine block in the vehicle with the discharged battery. Do not
connect it to a point near the battery Ⓐ ⇒.
•Position the leads in such a way that they cannot come into contact with any moving parts in the
engine compartment.
Starting the engine
•Start the engine of the vehicle providing assistance and let it run at idle.
•Start the engine of the car with the discharged vehicle battery and wait two or three minutes
until the engine is running smoothly.
Removing the jump leads
•Before disconnecting the jump leads, switch off the dipped beam headlights if they are switched
on.
•Turn on the heater blower and rear window heater in the vehicle battery with the discharged
battery. This helps minimise the voltage peaks generated when the leads are disconnected.
•With the engines running, disconnect the jump leads in the exact reverse order to the
instructions given above.
•Close the battery cover.
Tow-starting and towing
 Introduction
This chapter contains information on the followingsubjects:
⇒  Notes on tow-starting
⇒ Notes on towing
Jump starting the vehicle incorrectly can cause the battery to explode, which can lead to
serious injuries. Please note the following in order to reduce the risk of the battery exploding:
•All work on the vehicle battery and the electrical system can cause serious chemical
burns, fire and electric shocks. Always read the warnings and safety information before
carrying out any kind of work on the vehicle battery ⇒ Vehicle battery.
•Always wear suitable eye protection and never lean over the vehicle battery.
•Attach the connector cables in the correct order – the positive cable first, followed by the
negative.
•Never connect the negative cable to parts of the fuel system or to the brake lines.
•The non-insulated parts of the battery clamps must not be allowed to touch. The jump lead
attached to the positive vehicle battery terminal must not touch metal parts of the vehicle.
•Check the window on the vehicle battery using a torch if necessary. If the display is light
yellow or colourless, do not jump start the vehicle. Seek expert assistance.
•Avoid electrostatic discharge in the vicinity of the vehicle battery. The gas emitted from the
vehicle battery could be ignited by sparks.
•Do not use jump leads to start the engine if the vehicle battery is damaged or if it is or has
ever been frozen.
WARNING

⇒ Fitting the front towing eye
⇒ Driving tips when towing
Observe any legal requirements when towing or tow-starting.
For technical reasons, vehicles with a discharged battery must not be tow-started.
For technical reasons, vehicles with an automated manual gearbox must not be tow started
unless it has been ascertained that the gearbox is in position N⇒ When a vehicle with an
automated manual gearbox has to be towed:.
Towing a vehicle when the engine is switched off and the ignition is switched on discharges the
vehicle battery. In some vehicles battery charge level, the drop in voltage can be large enough after
just a few minutes that electrical consumers in the vehicle will no longer function, e.g. the hazard
warning lights.
Additional information and warnings:
•Exterior views ⇒ Exterior views
•Changing gear ⇒ Changing gear
•Engine management system and exhaust purification system ⇒ Engine management system
and exhaust purification system
•Starting the engine with jump leads ⇒ Starting the engine with jump leads
You will not be able to fit a towing eye onto the rear bumper. The vehicle is not suited for
towing other vehicles.
Notes on tow-starting
First read and observe the introductoryinformation and safety warnings⇒
Introduction
Vehicles should not be tow-started wherever possible. Use jump leads to start the engine
instead⇒ Starting the engine with jump leads.
For technical reasons, the following vehicles cannot be tow-started:
•If the vehicle battery has discharged, the engine control unit will not function properly.
However, if the vehicle still has to be tow-started (manual gearbox):
•Engage 2nd or 3rd gear.
•Keep the clutch pressed down.
Never tow a vehicle that has no power supply.
•Never remove the key from the ignition. This could cause the steering lock to engage
suddenly. You will no longer be able to steer the vehicle. This can lead to a loss of control
of the vehicle, accidents and serious injuries.
•If the power supply to the towed vehicle is disconnected, stop towing immediately and
seek expert assistance.
WARNING
If a vehicle is being towed, the vehicle handling and braking effect will change significantly.
Please note the following in order to reduce the risk of an accident or serious injuries:
•Notes for the driver of the towed vehicle:
- You will need to depress the brake pedal more vigorously than normal as the brake
servo is not working. Always be careful not to drive into the vehicle that is pulling your
vehicle.
- You will need to turn the steering wheel more vigorously as the power-assisted
steering function is not working.
•Notes for the driver of the towing vehicle
- Accelerate carefully and gently.
- Avoid sudden braking and driving manoeuvres.
- Brake earlier than normal by pressing lightly on the brake pedal.
WARNING
•Remove and install the cover and the towing eye carefully so as to avoid damage to the
vehicle, e.g. the paintwork.
•Unburnt fuel can enter the catalytic converter and damage it while the vehicle is being
towed.
NOTICE

•Switch on the ignition and the hazard warning lights.
•Once both vehicles are in motion, release the clutch.
•As soon as the engine starts, press the clutch and put the gear into neutral. This helps to
prevent driving into the towing vehicle.
However, if the vehicle still has to be tow-started (automated manual
gearbox):
•Switch on the ignition and the hazard warning lights.
•Place the selector lever in position N.
•When both vehicles are in motion and the brake pedal indicator lamp goes out, move the
selector lever to position D.
•As soon as the engine starts, press the brake pedal and move the selector lever to position N.
This helps to prevent driving into the towing vehicle.
Notes on towing
First read and observe the introductoryinformation and safety warnings⇒
Introduction
Tow rope or tow bar
It is easier and safer to tow a vehicle with a tow bar. Only use a tow rope if you do not have a tow
bar.
The tow rope should be slightly elastic to reduce the strain on both vehicles. It is advisable to use a
tow rope made of synthetic fibre or similarly elastic material.
Only attach the tow rope or tow bar to the specially provided towing eyes or to the towing bracket.
When a vehicle with a manual gearbox has to be towed:
Check whether the vehicle can be towed ⇒ When should your vehicle not be towed?.
•Move the gear stick to neutral ⇒ Changing gear.
•Do not allow the vehicle to be towed at speeds faster than 50 km/h (30 mph).
•Do not have the vehicle towed further than 50 km (30 miles).
When a vehicle with an automated manual gearbox has to be towed:
Check whether the vehicle can be towed ⇒ When should your vehicle not be towed?
•Switch on the ignition.
•Move the selector lever to N⇒ Changing gear.
•Check whether the automated manual gearbox is really in neutral. To do this drive the car a few
metres as a test. The automated manual gearbox is in neutral if the vehicle can be easily
moved.
•Seek expert assistance if the automated manual gearbox cannot be put into neutral ⇒.
•Do not allow the vehicle to be towed at speeds faster than 50 km/h (30 mph).
•Do not have the vehicle towed further than 50 km (30 miles).
•If a breakdown truck is used, the vehicle must be towed with the front wheels raised.
When should your vehicle not be towed?
•If, due to damage, the vehicle gearbox no longer contains any lubricant.
•If the automated manual gearbox cannot be put into neutral ⇒.
•If the distance to be towed is further than 50 km - applies to vehicles with an automated manual
gearbox only.
•If the steering function or the operating clearance of the wheels cannot be ensured, e.g. after an
accident.
The vehicle can only be towed when the handbrake and steering lock are not engaged.
Fitting the front towing eye
When tow-starting, unburnt fuel can enter the catalytic converter and damage it.
NOTICE
Never tow a vehicle with automated manual gearbox if the automated manual gearbox cannot
be put into neutral. Otherwise, the gearbox and engine can suffer considerable damage.
NOTICE