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STARTING AND DRIVING
* Option/accessory.
450
Trailer lamps
When connecting a trailer - check that all the
trailer lamps work before departure.
Direction indicators and brake lights on
the trailer
If one or more of the trailer's direction indicators
or brake light bulbs is broken, the driver display
shows a symbol and a message. Other lamps on
the trailer must be checked manually by the
driver before departure, see the heading "Check-
ing trailer lamps".
Symbol Message
•
Trailer turn indicator Right
turn indicator malfunction
•
Trailer turn indicator Left
turn indicator malfunction
•
Trailer brake light Malfunc-
tion
If any lamp for the trailer's direction indicators is
broken, the driver display symbol for direction
indicators will also flash more quickly than nor-
mal.
Rear fog lamp on trailer
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.
Checking trailer lamps*
Automatic checking
After a trailer is connected electrically, it is possi-
ble 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.
The engine must be switched off to perform the
check.
1. When a trailer is connected to the towing
bracket, the
Automatic Trailer Lamp
Check message is shown in the driver dis-
play.
2. Confirm the message by pressing the right-
hand steering wheel keypad's O button.
> The lamp check starts.
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.
5. After a moment, all lamps on the trailer flash
again.
> The check is complete.
Switching off automatic checking
The automatic checking function can be switched
off in the centre display.
1.
Press
Settings in the top view.
2.
Press
My Car Lights and Lighting.
3.
Deselect
Automatic Trailer Lamp Check.
Manual checking
If the automatic checking is switched off then it is
possible to start the check manually.
1.
Press
Settings in the top view.
2.
Press
My Car Lights and Lighting.
3.
Select
Manual Trailer Lamp Check.
> The lamp check starts. Exit the car to
check lamp functionality.
Related information
•
Driving with a trailer (p. 448)
•
Towing bracket* (p. 445)
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