You should first look through the users manual to help out. If you still have questions, call the manufacturer for assistance.
where is the gear box on a citreon c3 1.4 hdi
You need to remove the battery and bracket then you will see a black Plastic thing and that is where you can top up the oil
Manual gear box 2 litre Automatic gear box comes as sealed unit
You cannot check oil levels in automatic gear box as it is a sealed unit. I took my car to automatic gearbox garage and they changed the oil and resealed the gearbox for a very reasonable cost. Remember the gear oil itself is very expensive.
Manual gear box oil: Total Transmission (B.V 75W-80W) part no. 9730. A2 or Citroen gear oil 2L part no. 9736.41 Automatic gear box are sealed unit: Citroen gear oil 2L part no. 9736.22 The oil can only be changed Automatic gearbox repair garages
OAT Coolant.Mix the concentration dependant on your country (lowest temperature).seehttp://citroenc3owners.com/citroen-c3-tips/citroen-c3-coolant-t40.html
On the front of the engine inside a plastic cover with a 27mm "nut"
There are many features of the Citroen C3 Picasso. Examples of some features of the Citroen C3 Picasso includes an anti-lock breaking system and remote central locking.
Red OAT antifreeze and coolant. Premixed will be easiest. See the link for more information: http://citroenc3owners.com/citroen-c3-tips/citroen-c3-coolant-t40.html
NO....
Yes, in the C3 Picasso at least.
The diagnostic plug is in the glove compartment in C3