CITROEN C4 HANDBOOK Pdf Download. - ManualsLib View and Download CITROEN C4 handbook online. C4 Automobile pdf manual download. Automobile Citroen GRAND C4 PICASSO Quick Start Manual (18 pages) Automobile Citroen C1 Comparison Manual (16 pages) Summary of Contents for CITROEN C4. Citroën C4 Picasso Service and Repair Manuals. The first generation Grand C4 Picasso, a seven-seater, was launched in November 2006 and produced until 2013, when the second generation took over. It is produced with both manual and automatic transmission styles. Some of the C4 Picasso models feature Citroën's new 6-speed manual gearbox, Efficient Tronic Gearbox 6-speed (ETG6).