check engine Citroen C3 PICASSO 2008.5 1.G User Guide

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CHECKS Only use products recommended by
CITROËN or products of equivalent
quality and specifi cations.
In order to optimise the operation
of units as important as the braking
system, CITROËN selects and of-
fers very specifi c products.
To avoid damaging the electrical
units, the use of a high pressure
washer in the engine compartment
is strictly prohibited .
Brake disc wear
Brake pads Parking brake Brake wear depends on the
style of driving, particularly in
the case of vehicles used in
town, over short distances. It
may be necessary to have the
condition of the brakes checked, even
between vehicle services.
Unless there is a leak in the circuit, a
drop in the brake fl uid level indicates
that the brake pads are worn. For information relating to
checking the brake disc wear,
contact a CITROËN dealer.
If the parking brake travel is
too long or if a loss of effec-
tiveness of this system is no-
ticed, the parking brake must
be adjusted, even between
two services.
This system must be checked by a
CITROËN dealer.
Manual gearbox
The gearbox does not re-
quire any maintenance (no oil
change).
Refer to the Maintenance and
Warranty Guide for the details
of the checking interval for this
component.

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131
PRACTICAL INFORMATION
A fl at battery prevents the engine
from starting (refer to the corre-
sponding paragraph).
If the telephone is being used at
the same time with the MyWay au-
dio navigation, it will be interrupted
after 10 minutes.
ENERGY ECONOMY MODE
System which manages the duration of
use of certain functions to conserve a
suffi cient level of charge in the battery.
After the engine has stopped, you can
still use functions such as the audio
equipment, windscreen wipers, dipped
headlamps, courtesy lights, etc. for a
maximum combined duration of thirty
minutes. Exiting economy mode
These functions are reactivated auto-
matically next time the vehicle is driven.

 In order to resume the use of these
functions immediately, start the en-
gine and let it run for a few minutes.
The time available to you will then be
double the duration for which the en-
gine is left running. However, this period
will always be between fi ve and thirty
minutes.
Switching to economy mode
Once the thirty minutes are over, a
message appears on the multifunction
display indicating that the vehicle has
switched to economy mode and the ac-
tive functions are put on standby.
CHANGING A WIPER BLADE
Procedure for replacing a worn wiper
blade with a new one without the use
of tools.
Removing a front or rear wiper
blade

 Raise the corresponding wiper arm.

 Unclip the wiper blade and remove it.
Fitting a front or rear wiper blade

 At the front, check the size of the
wiper blade as the shorter blade is
fi tted on the right-hand side of the
vehicle.

 Put the corresponding new wiper
blade in place and clip it.

 Fold down the wiper arm carefully.
Before removing a front wiper blade

 Within one minute after switching off
the ignition, operate the wipers stalk
to position the wiper blades in the
vertical position.
This position must be used in order to
avoid damaging the wiper blade and the
bonnet.
After fitting a front wiper blade

 Switch on the ignition.

 Operate the wipers stalk again to
park the wiper blades.

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133
PRACTICAL INFORMATION
TOWING A TRAILER, A CARAVAN, ETC.
Your vehicle is primarily designed for
transporting people and luggage, but it
may also be used for towing a trailer. Driving advice
The maximum towing load on a long
slope depends on the gradient and the
ambient temperature.
In all cases, pay attention to the coolant
temperature.
Side wind

 Take into account the increased
sensitivity to side wind.
Cooling
Towing a trailer on a slope increases
the temperature of the coolant.
As the fan is electrically controlled, its
cooling capacity is not dependent on
the engine speed.

 To lower the engine speed, reduce
your speed. Braking
Towing a trailer increases the braking
distance.
Tyres

 Check the tyre pressures of the tow-
ing vehicle and of the trailer, observ-
ing the recommended pressures.
Lighting

 Check the electrical signalling on
the trailer.
The rear parking assistance will
be deactivated automatically if an
original CITROËN towbar is used.
 If the warning lamp and
the STOP warning lamp
come on, stop the vehicle
and switch off the engine
as soon as possible.
Towbar suited to the attachment of a
trailer or caravan with additional signal-
ling and lighting.
Distribution of loads

 Distribute the load in the trailer so
that the heaviest items are as close
as possible to the axle and the nose
weight approaches the maximum
permitted without exceeding it.
Air density decreases with altitude, thus
reducing engine performance. Above
1 000 metres, the maximum towing load
must be reduced by 10 % and so on for
every 1 000 metres of altitude.
Refer to the "Technical Data" section for
details of the weights and towing loads
which apply to your vehicle.
Driving with a trailer subjects the towing
vehicle to more signifi cant stress and its
driver must be particularly careful.
We recommend the use of genuine
CITROËN towbars and their har-
nesses that have been tested and
approved from the design stage
of your vehicle, and that the fi t-
ting of the towbar is entrusted to a
CITROËN dealer.
If the trailer is not fi tted by a
CITROËN dealer, it is imperative
that it is fi tted using the electrical
pre-equipment installed at the rear
of the vehicle, in accordance with
the manufacturer's instructions.