Is there an emergency fuel cutoff switch on my 2.5 2005 volkswagon jetta

Hello, You will need to scan the vehicle for codes. I'm not aware of a fuel cutoff switch, but when certain SRS warning codes are present the engine will not start. The SRS system is otherwise independent of the powertrain, so clearing those codes should allow the engine to start like normal, even without repairing the damage. Note: it must be capable of resetting crash data. Google around a little.