TRACTION CONTROL (ASR)*
AND DYNAMIC STABILITY
CONTROL (ESP)* These systems are linked and com-
plement the ABS system.
The ASR system optimises drive to prevent the wheels skidding, byacting on the brakes and the engine.It also allows the directional stabilityof the vehicle to be improved onacceleration. If there is a variation between the tra- jectory followed by the vehicle and
that required by the driver, the ESPsystem automatically acts on theengine and the brake of one or morewheels, in order to put the vehicleback on course.
Operation of the ASR and
ESP systemsWhen one of these two sys- tems is operating, this lightflashes.
* During the year Disarming the ESP / ASR systems In certain conditions (vehicle stuck in
mud or snow, or on loose ground...),it could prove useful to disarm theASR system to make the wheelsspin and regain grip.
Press the switch "ESP OFF",
situated on the central part of the fascia.
The switch lights up and theindicator light comes on; the
ESP and ASR systems nolonger act on the brake andengine operation.
They engage again: automatically when the ignition is
switched off,
manually by pressing the switchagain. Operating check
When a malfunction of thesystem occurs, the switchlight flashes and the indica-tor light comes on, accom-panied by an audible signal
and the message "ESP/ASR not
operational" on the multifunction
display.
Contact a PEUGEOT dealer to have the system checked.
YOUR 307 IN DETAIL 89
The ESP system offers increased safety duringnormal driving, but shouldnot incite the driver totake risks or to drive at
high speed. The operation of the system is ensured to the extent to which therecommendations of the manufac-turer regarding the wheels (tyresand wheel rims), the braking com-ponents, the electronic compo-nents and the assembly and repairprocedures within the PEUGEOTnetwork are observed. After an impact, have the system
checked by a PEUGEOT dealer.
