Jump starting
Introduction
In this section you’ll find information about:
Positive and negative jump-starting terminals
Using jumper cables
If your engi ne does not start because the vehicle battery is dead, your vehicle's battery can be
connected to the battery of another vehicle to start your engine (jump starting).
You must use jumper cables that meet recogni zed indus trial standa rds (che ck information
provided by the jumper cable manufacturer). For vehicles with gasoline engines, the cross-section of
the jumper cable wire must be at least 0.038 in
diesel engines, the cross-section m ust be at least 0.054 in
On vehicles that do not have a battery in the engine compartment, connect the jumper cables only to
the jump-start terminals in the engine compartment.
There is an opening for jump starting located on the engine compartment cover
More information:
Hybrid drive
Selective catalytic reduction (AdBlue®)
Working in the engine compartment
Vehicle battery
2
(25 mm2), or about 3 ga. (AWG). For vehicles with
2
(35 mm2), or about 2 ga. (AWG).
WARNING
.
Working on the batteries or the electrical system in your vehicle can cause serious acid
burns, fires, or electrical shock.
Always keep children away from battery acid and vehicle batteries in general.
Sulfuric battery acid is very corrosi ve and c an cau se bli nd ne ss a nd dama ge to
unprotected skin. Never let battery acid or lead particles contact your eyes, skin, and
clothing.
Never lean over a vehicle battery. Always wear protective gloves and eye protection. To
reduce your risk of injury, never tilt the batteries; acid could spill out through the vents and
burn you.
A highly explosive mixture of gases is given off when the battery is being charged.
Always avoid fires, sparks, open flame, and smoking. Never create s parks or electros tatic
charges when handling cables and electrical equip m en t. Ne ver short-circuit the battery
terminals. High-energy sparks can cause serious personal injury.
If you get battery acid in your eyes or on your skin, immediately rinse with cold water for
several minutes and get medical attention immediately. If you swallow any battery acid, get
medical attention immediately.
WARNING
.
Improper use of jumper cables when jump -s tarting a vehicle with a dead battery can cau se
the battery to explode, leading to serious personal injury. To help reduce the r is k of battery
explosion:
All work on the batteries or the electrical system in your vehicle can cause seriou s acid
burns, fires, or electrical shocks. Always read and heed the follow ing WARNINGS and safety
precautions befor e w orking on the batteries or the electr ical system, Vehicle battery.
Always make sure that the battery providing starting assistance (the booster battery) has
the same voltage as the dead battery (12 V) and about the same amperag e c ap acity (see
battery label).
Never jump-start a vehicle with a thawed or frozen battery. The battery can explode. A
dead battery can freeze at temperatures around +32 °F (0 °C).
A battery that is frozen or was frozen, but has since thawed, must be repla ced.
When the vehicle battery is jump-started, it gives off hydrogen gas, which is highly
explosive! Always keep fire, sparks, open flame, and smoking materials far away from vehicle
batteries. Never use a cellular telephone while connecting or disconnecting jumper cables.
Jump-start batteries only in well-ventilated areas. Batteries give off highly explosive
hydrogen gas during jump-starting.
Always route the jumper cables so that they cannot get caught in any moving parts in the
engine comp artment.
Never short out the battery terminals by connecting the positive terminal (+) and negative
(–) terminals with each other.
Never connect the negative cable from the other vehicle directly to the negative terminal
of the dead battery, as this may cause the hydr og en ga s given off by the dead battery to
explode.
Never attach the negative cable from the vehicle providing s tar ting assistance to any part
of the fuel system or to the brake hoses or brake lines.
Never allow the non-insulated parts of the battery clamps to touch.
Never allow the jumper cable attached to the positive battery terminal to contact metal
parts of the vehicle.
Always follow the instructions of the jumper cable manufacturer.
NOTICE
.
To help prevent extensive damage to the vehicle el ectr ic al s ystem, read and heed the
following:
Connecting jumper cables improperly can cause a short circuit and do expensive damag e
to the vehicle's electrical system.
Do not let the vehicles touch each other while the jumper cables are connected. If they do,
electrical current may flow between the vehicles when the positive (+) terminals are connected,
causing electrical system damage.
Positive and negative jump-starting terminals
Fig. 334 In the engine compartment: Positive jump star t ter mina l
Please first read and note the introductory information and heed the WARNINGS
The jump starting terminals are in the engine compartment ⇒ fig. 334. The vehicle can onl y jump st art
other vehicles or be jump started itself by means of th e se t e rmin als.
There is an opening for jump starting located on the engine compartment cover
+ and negative jump start terminal -.
.
Using jumper cables
Fig. 335 The jump starter cables are attached according to diagram I, II, or III depending on how the vehicle
is equipped.
Please first read and note the introductory information and heed the WARNINGS
(1) Vehicle with the dead battery (vehicle being jump started ).
(2) Vehicle with the booster battery (vehicle providing starting assistance).
(3) Suitable ground connection. A solid metal part bolted directly to the engine block or the e n gine
block itself.
The dead battery must be properly connected to the vehicle's electri cal system .
Make certain that the vehicles are not touchin g each other. Otherwise, electric current could flow as
soon as the positive terminals (+) are connected. Use longer jumper cables if necessary.
The clamps on the jumper cables must have good contact to bare metal on the battery terminals.
If the engine does not start, stop the process af ter 10 seconds and repeat after about 1 minute.
The procedure for attaching and for removing the jumper cables is described below. Perform each of
the following steps only in the order in which it is described.
Before you begin
Switch off the ignition in both vehicles.
Open the hoods of both vehicles.
Remove the cover from the positive terminal on your vehicle and, if necessary, the battery cover of
the other vehicle.
Diagram A: Attaching jumper cables
Diagram A applies where the vehicle wi th the dea d b a tt ery has jum p sta rt termin als (1) and is being
jump started by a vehicle whose battery is in the engine compartment (2) ⇒
1. Attach one end of the red jumper cable to the positive jump start terminal (+) of the vehicle with
the dead battery (1).
2. Attach the other end of the red jumper cable to the positive termin al (+) of the booster battery (2).
3. Connect one end of the black jumper cable to a suitable ground connection (3) on the vehicle with
the booster battery (2). A suitable ground connection is a solid metal part bolted directly to the
engine block of the vehicle with the booster batter y o r t his ve hicle's engine block itself.
4. Attach the other end of the black jumpe r cable to the negative jump start terminal (-) of the
vehicle with the dead battery (1).
.
Diagram B: Attaching jumper cables
Diagram B applies where the dead battery (1) is in the engine compartment of the vehicl e being jump
started, and the vehicle providing starting assistance has jump start terminals (2) ⇒
1. Attach one end of the red jumper cable to the positive terminal (+) of the dead battery (1).
2. Attach the other end of the red jumper cable to the positive jump start terminal (+) of the vehicle
providing starting assistanc e (2).
3. Attach one end of the black jumpe r cable to the negative jump start terminal (-) of the vehicle
providing starting assistanc e (2).
4. Connect the other end of the black jumper cable to a suitable ground connection (3) on the vehicle
with the dead battery (1). A suitable ground connection is a solid metal part bolted directly to the
engine block of the vehicle with the dead battery or this vehicle's engine block itself.
.
Diagram C: Attaching jumper cables where both vehicles have jump start terminals
Diagram C applies where the vehicle wi th the dea d b a tt ery has jum p sta rt termin als (1) and is being
jump started by a vehicle that also has jump start terminals (2) ⇒
1. Attach one end of the red jumper cable to the positive jump start terminal (+) of the vehicle with
the dead battery (1).
2. Attach the other end of the red jumper cable to the positive jump start terminal (+) of the vehi cle
providing starting assistanc e (2).
3. Attach one end of the black jumpe r cable to the negative jump start terminal (-) of the vehicle
providing starting assistanc e (2).
4. Attach the other end of the black jumpe r cable to the negative jump start terminal (-) of the
vehicle with the dead battery (1).
.
Starting the engine
1. Start the engine of the vehicle with the good battery that is providing help and let it run at idle
speed.
2. Turn the ignition of the vehicle with the dead battery. If the engine starts, wait 2 to 3 minutes until it
“runs smoothly” before removing the jumper cables as described below ⇒
not start within about 10 seconds, turn off the ignition and wait at least 1 minute; then try again.
. If the engine does
Removing the jumper cables
1. Before you remove the jumper cables, switch off the headlights (if they are on).
2. In the vehicle with the dead battery, switch on the heater fan and the rear window defroster. This
helps to minimize voltage spikes when the jumper cables are disc onne cted.
3. With the engine running, remo v e the jumper cables in reverse order to the way they were
connected. Specifically:
– Disconnect the black (–) cable from the vehicle with the dead battery.
– Disconnect the black (–) cable from the other vehicle (vehicle with the good batt ery ).
– Disconnect the red (+) cable from the other vehicle (vehicle with the good battery).
– Disconnect the red (+) cable from the vehicle with the dead battery.
4. Turn off the heater fan and the rear winder defroster on the vehicle with the dead battery.
5. Snap the cap of the positive jump start terminal back on, reinstall covers, and close engine hoods.
WARNING
.
Improper use of jumper cables when jump -s tarting a vehicle with a dead battery can cau se
the battery to explode, leading to serio us per so n al injury. To help reduce the risk of battery
explosion:
All work on the batteries or the electrical system in your vehicle can cause seriou s acid
burns, fires, or electrical shocks. Always read and heed the follow ing WARNINGS and safety
precautions before working on the batteries or the electrical system , Vehicle battery.
Always wear proper eye protection. Never lean over the vehicle batteries.
Attach the jumper cables in the correct order: first the positive cable , then th e neg a tive
cable.
Never connect the negative cable from the vehicle providing starting assistance to parts
of the fuel system or to the brake hoses or brake lines.
Never allow the non-insulated parts of the battery clamps to touch.
Never allow the jumper cable attached to the positive battery terminal to contact metal
parts of the vehicle.
Specialized knowledge an d tools are required to access the vehicle battery. For this
reason, have an authorized Volkswagen dealer or an authorized Volkswagen Servi c e Facil ity
check the electrolyte level of the vehicle battery.
Avoid electrostatic discharge in the vicinity of the vehicle battery. Sparks may cause the
hydrogen gas escaping from the vehicle battery to ignite.
Never jump start a vehicle with a battery tha t is da mag ed or frozen or that was frozen and
has thawed. The battery can explode. Re pla ce th e battery instead.
Always follow the instructions of the jumper cable manufacturer.
Always make sure that the battery providing starting assistance has the same voltage as
the dead battery (12 V) and about the same capacity (see battery label).
Batteries give off explosive hydrogen gas. Always keep fire, spark s, open flam e an d
smoking materials away from batteries.
Never connect the negative cable from the other vehicle directly to the negative terminal
of the dead battery. The hydrogen gas from the battery is explosive.
Never short out the battery terminals by connecting the positive (+) and negative (–)
terminals with each other.
NOTICE
.
Checking the electrolyte level
The 12 Volt vehicle battery is located under the left fr on t seat. Sp e cialized knowledge and
tools are required to access the vehicle battery. For this reason, have an aut horize d
Volkswagen dealer or an authorized Volkswagen Service Facility check the electrolyte level of
the vehicle battery.
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