auto-rx with 300 miles

[jeepzj]

Just recieved a bottle of Auto-RX for my dad/s 2002 Buick Century. He had an oil change a couple of weeks ago and has accummulated 300 miles since. Is it to pour in the ARX with 300 miles on the filter?

 

[Bio-T]

That should not be a problem. It would take alot of crud to fill the filter on that low miles.
Just add Auto-Rx.