Car Stays On!

[doughboi916]

so my lil bro comes home and told me about some kid from his school has a Scion TC wit a JL 500/1 in it, and when he goes to turn the car off, it will stay started for about 10-15 seconds? and thats with out the key in the ignition?? what can cause this? just curious? i was thinking maybe something to do with the remote wire? he said it wired to the power antenna lead

[BigPimpin91]

so my lil bro comes home and told me about some kid from his school has a Scion TC wit a JL 500/1 in it, and when he goes to turn the car off, it will stay started for about 10-15 seconds? and thats with out the key in the ignition?? what can cause this? just curious? i was thinking maybe something to do with the remote wire? he said it wired to the power antenna lead

Does the Scion have a turbo on it?

If it does, the engine runs for a few seconds to cycle oil through the turbo to cool it.