The fuel cut-off inertia switch is only fitted to earlier models.
Where fitted it is located in the left-hand rear corner of the engine compartment, behind the suspension turret. You reset it by firmly depressing its button.
"If it ain't broke don't fix it!"
206CC 1.6 Allure Moonstone (fun)
Polo 1.4 Match Edition Reflex Silver (wife's)
Golf 2.0 TDI SE Estate Reflex Silver (practicality)
Dixie Chicks - Martie, Natalie, & Emily - such stars!