How to predict time series data using fastai api

Hi: I applied the steps in lesson 4, structured data to the New Car Sales dataset in Kaggle and got a pretty low validation loss, see below. But how do I use the model to predict the future sales? For example, let say my dataset ended yesterday, and I wanted to predict sales for the next 3 months, what function should I called from model to generate the sales forecast? Thank you in advanced for your help.

epoch trn_loss val_loss exp_rmspe
0 0.296747 0.192063 0.379568
1 0.148141 0.094192 0.287121
2 0.089151 0.099709 0.278661

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Stumpled upon your post when trying to figure out the same issue. Was just wondering if you happened to resolve the problem of getting predictions for future dates?