Starting and driving -> Towbar for your Volvo XC40 2018-2026
STARTING AND DRIVING
Support battery (p. 587)
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Towbar*
The car can be equipped with a towbar that
makes it possible to tow e.g. a trailer behind
the car.
There may be different towbar variants availa-
ble for the car. Contact a Volvo dealer for more
information.
If the starter battery has been discharged
so much that the car has no normal electri-
cal functions and the engine is then jump-
started with an external battery or a battery
charger, the Start/stop function may con-
tinue to be activated. If the Start/stop
function then auto-stops the engine shortly
afterwards, there is a great risk that engine
auto-start will fail due to insufficient bat-
tery capacity, because the battery has not
had the time to recharge.
When the engine is switched off, the con-
stant battery voltage to the trailer connec-
tor can be switched off automatically so as
not to drain the starter battery.
If the car has been jump-started, or if there
is insufficient time to charge the battery
with a battery charger, the Start/stop func-
tion is temporarily deactivated until the
battery has been recharged by the car. In
an outside temperature of approx. +15 °C
(approx. 60 °F), the battery needs to be
charged for at least 1 hour by the car. In a
lower outside temperature, the charging
time may increase to 3–4 hours. The rec-
ommendation is to charge the battery
using an external battery charger.
The towball needs regular cleaning and
lubrication with grease in order to prevent
wear.
When a hitch with a vibration damper is
used, the towball must not be lubricated.
This also applies when fitting a bicycle rack
that is clamped in around the towball.
Related information
Starting the car (p. 396)
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Ignition positions (p. 398)
Adjusting the steering wheel (p. 180)
Selecting ignition mode (p. 399)
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STARTING AND DRIVING
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Related information
Specifications for towbar*
Dimensions and mounting points for towbar.
Dimensions, mounting points in mm
(inches)
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A
B
C
D
E
F
G
H
I
939 (37)
72 (2.8)
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6 (0.24)
145 (5.7)
88 (3.5)
Side beam tilts 8 degrees
353 (13.9)
1048 (41.3)
524 (20.6)
Related information
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Towing capacity and towball load
(p. 634)
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450
* Option/accessory.
STARTING AND DRIVING
1.
2. Press and release the button – extension
might not start if the button is pressed for
too long.
Extendable and retractable
towbar*
The retractable tow hook is easy to retract or
extend as required. In the retracted position,
the towbar is completely concealed.
WARNING
Follow the instructions for retracting and
extending the towbar carefully.
WARNING
Open the tailgate. A button for extending/
retracting the towbar is located on the
right-hand side at the rear of the cargo
area. An indicator lamp in the button must
illuminate with a constant orange glow for
the extension function to be active.
Do not press the extend/retract button if a
trailer is attached to the towbar.
> The towbar extends out and down in an
unlocked position - the indicator lamp
flashes orange. The tow hook is ready
to continue moving to the locked posi-
tion.
Extending the towbar
WARNING
Avoid standing close to the bumper in the
centre behind the car when extending the
towing hitch.
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STARTING AND DRIVING
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2.
Power save mode activates after a while
and the indicator lamp goes out. The sys-
tem is reactivated by closing and opening
the tailgate. This applies when retracting or
extending the towbar.
If the car detects a connected trailer elec-
trically, the indicator lamp stops illuminat-
ing with a constant glow.
Move the towbar to its end position,
where it is secured and locked in place -
the indicator lamp illuminates with a con-
stant orange glow.
Lock the towbar by moving it back to its
retracted position, where it is locked.
Retracting the towbar
> The indicator lamp will now illuminate
with a constant glow if the towbar is
correctly retracted.
Make sure that there is no plug or adapter
in the electrical socket when retracting the
towbar.
> The towbar is ready for use.
The towbar must finish the extension pro-
cedure before it can then be moved to
locked position. This procedure may take
several seconds. If the towbar is not fixed
in locked position, wait a few seconds and
try again.
1. Open the tailgate. Press and release the
button on the right-hand side at the rear of
the cargo area - retraction might not start
if the button is pressed for too long.
> The towbar automatically lowers in an
unlocked position - the indicator lamp
in the button flashes orange.
Related information
WARNING
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Take care to secure the trailer's safety
cable in the intended bracket.
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452
* Option/accessory.
STARTING AND DRIVING
Follow the regulations in force for the per-
mitted speeds and weights.
Driving with a trailer
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When driving with a trailer, there are a num-
ber of points that are important to think about
regarding the towbar, the trailer and how the
load is positioned in the trailer.
Payload depends on the car's kerb weight. The
total of the weight of the passengers and all
accessories, e.g. towbar, reduces the car's
payload by a corresponding weight.
When the engine is switched off, the con-
stant battery voltage to the trailer connec-
tor can be switched off automatically so as
not to drain the starter battery.
Maintain a low speed when driving with a
trailer up long, steep ascents.
The maximum indicated trailer weight only
applies to heights up to 1000 metres
above sea level (3280 ft). At higher eleva-
tions, the engine output and the vehicle's
climbing ability are reduced due to the
reduced air density, and the maximum
trailer load must therefore be reduced. The
weight of the car and trailer must be
decreased by 10% for each additional
1000 m (3280 ft) or part thereof.
Trailer weights
WARNING
The car is supplied with the necessary equip-
ment for towing a trailer.
Follow the stated recommendations for
trailer weights. Otherwise, the car and
trailer may be difficult to control in the
event of sudden movement and braking.
The car's towbar must be of an approved
type.
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Distribute the load on the trailer so that
the weight on the towbar complies with
the specified maximum towball load. Tow-
ball load is calculated as part of the car's
payload.
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Avoid driving with a trailer on inclines of
more than 12%.
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The stated maximum permitted trailer
weights are those permitted by Volvo.
National vehicle regulations can further
limit trailer weights and speeds. Towbars
can be certified for higher towing weights
than the car can actually tow.
Extreme weather conditions, driving with a
trailer or driving at high altitudes, in combi-
nation with poorer fuel quality than recom-
mended, are factors that considerably
increase the car's fuel consumption.
Increase the tyre pressure to the recom-
mended pressure for a full load.
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The engine is loaded more heavily than
usual when driving with a trailer.
Do not tow a heavy trailer when the car is
brand new. Wait until it has been driven at
least 1000 km (620 miles).
Level control*
Trailer connector
The car's system for level control endeavours
to maintain a constant height regardless of
load (up to the maximum permissible weight).
When the car is stationary the rear of the car
lowers slightly, which is normal.
An adapter is required if the car's towbar has a
13 pin connector and the trailer has a 7 pin
connector. Use an adapter approved by Volvo.
Make sure the cable does not drag on the
ground.
The brakes are loaded much more than
usual on long and steep downhill slopes.
Downshift to a lower gear when shifting
manually and adjust your speed.
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STARTING AND DRIVING
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4. Release the brake pedal and start driving
off.
When driving in hilly terrain and hot
climates
Trailer stability assist*
The function of trailer stability assist (TSA31
)
Under certain circumstances, there may be a
risk of overheating when towing a trailer. If the
engine and drive system overheats, a warning
symbol comes on in the driver display and a
message is displayed.
is to stabilise cars towing trailers in situations
where they begin snaking. The function is
Related information
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included in the stability system ESC32
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Reasons for snaking
Towing capacity and towball load
(p. 634)
The snaking phenomenon can occur with any
car/trailer combination. Snaking normally
occurs at high speeds. However, there is a risk
of it occurring at lower speeds if the trailer is
overloaded or the load is improperly distrib-
uted, e.g. too far back.
The following applies for cars with automatic
gearbox:
Overheating in the engine and drive sys-
tem (p. 446)
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The automatic gearbox adapts the gears
depending on load and engine speed.
Adverse driving conditions for engine oil
(p. 639)
Steep inclines
Do not lock the automatic gearbox in a higher
gear than the engine "can cope with" - it is not
always a good idea to drive at a high gear with
low engine speed.
In order for snaking to occur, there must be a
triggering factor, e.g.:
Car with trailer subjected to a sudden and
powerful side wind.
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Parking on a hill
1. Depress the brake pedal fully.
Car with trailer drives on an uneven road
surface or in a pothole.
2. Activate the parking brake.
3. Select gear position P.
4. Release the brake pedal.
Sweeping steering wheel movements.
If snaking has started, it could be difficult or
even impossible to suppress. This makes the
car/trailer combination difficult to control and
there is a risk that you could, for example, end
up in the wrong lane or leave the carriageway.
Block the wheels with chocks when parking a
car with hitched trailer on a hill.
Starting on a hill
1. Depress the brake pedal fully.
Trailer stability assist function
The trailer stability assist function continually
monitors the car's movements, particularly lat-
eral movements. If snaking is detected, the
front wheels are individually braked. This
2. Select gear position D.
3. Releasing the parking brake.
454
* Option/accessory.
STARTING AND DRIVING
serves to stabilise the car/trailer combination.
This is often enough to help the driver regain
control of the car.
When Trailer Stability Assist
(TSA) is operating, the ESC
symbol flashes in the driver
display.
Checking trailer lamps
When connecting a trailer - check that all the
trailer lamps work before departure.
If snaking is not eliminated the first time that
trailer stability assist intervenes, the car/trailer
combination is braked with all wheels and
engine power is reduced. Once snaking has
been gradually suppressed and the car/trailer
combination is stable once again, the system
stops regulating and the driver once again has
full control of the car.
Direction indicators and brake lights
on the trailer
If one or more of the trailer's direction indica-
tors or brake light bulbs is broken, the driver
display shows a symbol and a message. Other
lights on the trailer must be checked manually
by the driver before setting off.
Related information
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Electronic stability control (p. 267)
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Symbol Message
The stability function is deactivated if the
driver selects Sport mode by deactivating
ESC via the menu system in the centre
display.
Trailer turn indicator Right
turn indicator malfunction
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Trailer turn indicator Left
turn indicator malfunction
Trailer brake light Malfunc-
tion
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Trailer stability assist may fail to intervene if
the driver uses severe steering wheel move-
ments to try to rectify the snaking because in
such a situation the system cannot determine
whether it is the trailer or the driver causing
the snaking.
If any lamp for the trailer's direction indicators
is broken, the driver display symbol for direc-
tion indicators will also flash more quickly than
normal.
31
Trailer Stability Assist
Electronic Stability Control
32
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STARTING AND DRIVING
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5. After a moment, all lamps on the trailer
flash again.
Rear fog lamp on trailer
Towbar-mounted bicycle rack*
When connecting the trailer, the rear fog lamp
may not light up on the car. In such cases, the
rear fog lamp function switches to the trailer.
Upon activation of the rear fog lamp, check
therefore that the trailer is equipped with a
rear fog lamp to travel safely.
When using a bicycle rack, the bicycle racks
that Volvo has developed are recommended.
This is in order to avoid damage to the car and
in order to achieve the maximum possible
safety during a journey. Volvo's bicycle racks
are available for purchase at authorised Volvo
dealers.
> The check is complete.
Switching off automatic checking
The automatic checking function can be
switched off in the centre display.
1.
2. Press My Car Lights and Lighting.
Press Settings in the top view.
Checking trailer lamps*
Carefully follow the instructions enclosed with
the bicycle rack.
Automatic checking
3.
Deselect Automatic Trailer Lamp
Check.
After a trailer is connected electrically, it is
possible to check that the trailer lamps are
working via an automatic lamp activation. The
function helps the driver check that the trailer
lamps are working before starting off.
Bicycle rack including load must weigh a
maximum of 75 kg (165 pounds).
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Manual checking
If the automatic checking is switched off then
it is possible to start the check manually.
The bicycle rack may be designed for a
maximum of three bicycles.
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The car must be switched off to perform the
check.
1.
2. Press My Car Lights and Lighting.
Press Settings in the top view.
WARNING
Incorrect use of the bicycle rack may cause
damage to the towbar and car.
1. When a trailer is connected to the towbar,
the Automatic Trailer Lamp Check mes-
sage is shown in the driver display.
3.
Select Manual Trailer Lamp Check.
The bicycle rack can loosen from the tow-
bar if it
> The lamp check starts. Exit the car to
check lamp functionality.
2. Confirm the message by pressing the
right-hand steering wheel keypad's O but-
ton.
is incorrectly fitted on the towball
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Related information
is overloaded, see the bicycle rack's
instructions for maximum load weight
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> The lamp check starts.
is used for carrying something other
than bicycles.
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3. Exit the car to check lamp functionality.
> All trailer lamps start to flash - then the
lamps are switched on one at a time.
4. Visually check that all lamps available on
the trailer are operational.
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* Option/accessory.
STARTING AND DRIVING
The car's driving characteristics are affected
when a bicycle rack is fitted on the towbar.
For example due to:
sumption. It may also lead to an increased
load on the towbar.
Towing
During towing, the car is towed by another
vehicle by means of a towline.
Find out the statutory maximum speed limit
for towing before the towing begins.
Related information
increased weight
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reduced acceleration capacity
reduced ground clearance
changed braking capacity.
Preparations and towing
Recommendations for loading
bicycles on the bicycle rack
The larger the distance between the load's
centre of gravity and the towball, the greater
the load on the towbar.
Some gear lever variants make it impossi-
ble to shift out of P unless the engine is
running. Contact an authorised Volvo
workshop for assistance when towing, or
summon professional help for recovery.
Load according to the following recommenda-
tions:
Fit the heaviest bicycle furthest in, closest
to the car.
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Note that the car must always be towed
with the wheels rolling forward.
Keep the load symmetrical and as close to
the centre of the car as possible e.g. by
loading the bicycles facing alternately if
several bicycles are loaded.
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Do not tow cars with automatic trans-
mission at speeds higher than
80 km/h (50 mph) or for distances in
excess of 80 km (50 miles).
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Remove loose objects from the bicycle for
transportation, e.g. bicycle basket, battery,
child seat. Partly to reduce the load on the
towbar and bicycle rack, and partly to
reduce the wind resistance, which affects
fuel consumption.
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Do not use protective covers on the bicy-
cles. This may affect manoeuvrability,
impair visibility and increase fuel con-
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* Option/accessory. 457





