How often to change cambelt on a 2007 1.4 citroen c4 petrol.?

For a 2007 Citroën C4 with a 1.4 petrol engine, the cambelt should typically be changed every 100,000 miles or every 10 years, whichever comes first. It's important to consult the vehicle's owner's manual or a qualified mechanic for specific recommendations, as maintenance schedules can vary based on driving conditions and other factors. Regular checks for wear and tear are also advised to ensure optimal engine performance.