User Manual - Page 471

For 2019 VOLVO XC90.

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STARTING AND DRIVING
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* Option/accessory.
469
is the case, check to see if the trailer is equipped
with a rear fog light before activating the vehicle's
fog lights when driving with a trailer to help
ensure safe operation.
Checking trailer lights*
Automatic check
When the trailer has been connected to the vehi-
cle's electrical system, its lights can be checked
by automatically activating them. This function
helps the driver check that the trailer's lights are
functioning correctly before starting to drive.
In order to perform this check, the engine must
be turned off.
1. When a trailer is connected to the towbar,
the message
Automatic Trailer Lamp
Check will appear in the instrument panel.
2. Acknowledge the message by pressing the
O button on the right-side steering wheel
keypad.
> The light check will begin.
3. Get out of the vehicle to perform the check.
> All of the lights on the trailer will begin
flashing, and then illuminate separately
one at a time.
4. Visually check that all of the trailer's lights
are functioning correctly.
5. After a short time, all of the trailer's lights will
start flashing again.
> The light check is completed.
Disabling the automatic check
The automatic light check can be disabled in the
center display.
1.
Tap
Settings in the Top view.
2. Tap My Car Lights and Lighting.
3.
Deselect
Automatic Trailer Lamp Check.
Manual check
If the automatic check has been disabled, the
check can be started manually.
1.
Tap
Settings in the Top view.
2. Tap
My Car Lights and Lighting.
3.
Select
Manual Trailer Lamp Check.
> The light check will begin. Get out of the
vehicle to perform the check.
Related information
•
Driving with a trailer (p. 466)
Towing using a towline
This section refers to one vehicle being towed
behind another using a towline.
Before towing another vehicle, check applicable
speed limit regulations.
Preparations and towing
CAUTION
Note that the vehicle must always be towed
with the wheels rolling forward.
•
Do not tow a vehicle with automatic
transmission at a speed greater than
80 km/h (50 mph) or for a distance
greater than 80 km (50 miles).
WARNING
•
Ignition mode II must be active – all air-
bags are deactivated in ignition mode I.
•
Always have the remote key in the vehicle
when it is towed.
WARNING
The brake and steering servos do not work
when the engine is off – it takes
about 5 times more pressure on the brake
pedal and steering requires much more effort
than normal.
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