How to jump start a car

Learn how to correctly connect jump leads or a jump pack. In this tutorial we discuss how to connect to a modern vehicle. The importance of using a surge protector what lead to connect first, various earth points and battery locations. Dangers associated with faulty batteries.
Always follow owners hand book about jump start procedure as every make and model varies.
serious damage can occur.

[@Dave-in-France]

Another good video from Sam with clear explanations.
I just have one question please? You said several times that's safer to connect earth cable/jump lead to a body earth NOT the battery earth, can you explain why please?