Checking Trailer Lamps - Volvo XC40 TWIN ENGINE 2019 Owner's Manual

STARTING AND DRIVING
||
When Trailer Stability Assist
(TSA) is operating, the ESC
symbol flashes in the driver
display.
Related information
Driving with a trailer (p. 463)
•
Electronic stability control (p. 269)
•
466

Checking 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 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.
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 direc-
tion indicators will also flash more quickly than
normal.
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
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.
The car must be switched off to perform the
check.
1. When a trailer is connected to the towbar,
Automatic Trailer Lamp Check
the
sage is shown in the driver display.
2. Confirm the message by pressing the
right-hand steering wheel keypad's O but-
ton.
> 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.
* Option/accessory.
mes-