
Turning the ignition key to MAR, the multifunction display shows the message “Check active”: the diagnostic phase of all the electronic systems on the car has started. This lasts few seconds: if no faults are detected, when the engine has started, the display shows the “Check OK” message. See section “Warning lights and messages” if faults are found.

Citroen C3. Audible and/or visual rear parking assistance
This system consists of four proximity
sensors, located in the rear bumper.
This detects any obstacle (person, vehicle,
tree, gate, etc.) behind the vehicle,
except obstacles located just bel ...
Chevrolet Sonic. Bluetooth (Overview)
For vehicles equipped with Bluetooth capability, the system can interact with
many cell phones, allowing:
Placement and receipt of calls in a hands-free mode.
Sharing of the cell phone’s add ...
Fiat Punto. EOBD system
The EOBD system (European On Board Diagnosis)
allows continuos diagnosis of the components of the
car correlated with emissions.
It also alerts the driver, by the turning on of the
warning light ...