Seat IBIZA ST Owner's Manual page 71

Cockpit 69
6)
The instrument panel displays the following message : SAFE. The vehicle
cannot be started in this case
The engine can, however, be started if the appropriate coded SEAT genuine
key is used.
Note
A perfect operation of the vehicle can only be ensured if genuine SEAT keys
are used.
6)
Depending on the model version.
Safety First Operating Instructions Practical Tips Technical Specifications