1. Introduction  
2. The Pristine Inner Galaxy Survey (PIGS)  
2.1. PIGS target selection from photometry  
2.2. Selection effects with reference to CEMP stars  
2.3. Sagittarius spectroscopic sample used in this work  
3. On the RV distribution  
3.1. Internal and external mechanisms in play  
3.2. Comparison to other DGs  
4. Carbon trends in Sagittarius  
4.1. Halo and inner Milky Way  
4.2. Dwarf galaxies  
4.3. The different supernovae enrichment  
4.4. The radial gradient of [C/Fe]  
5. CEMP stars  
5.1. New CEMP stars in Sgr  
5.2. Fraction of CEMP stars  
5.3. Redefining CEMP stars in DGs  
6. Summary