See also:

Overview
With attractive, sculpted lines; impressive build quality; and an array of original upmarket features and functions, the new Citroën C4 is a perfect balance of confidence-inspiring styling an ...

Programmable heating
With the engine off, programmable heating preheats the coolant circuit in order to optimise the engine operating temperature prior to starting. The programmable heating system can be started imme ...

RDS system
Using the RDS (radio data system) function on FM The majority of FM radio stations use the RDS system. The radio in your vehicle has this system. The RDS system enables these stations to transmit ...