If SPP is missing from Commerce or grayed out in Showcase you may need to adjust your settings.
For Showcase:
Go to Settings
Click on Configure
Click on Dealer Activity and then Dealer
Ensure that alternate financing enabled options is saved to YES.
For Commerce:
Go to Settings
Click on Dealer Activity and then Dealer
Ensure that alternate financing enabled options is saved to YES.
NOTE: GAP and Limited Warranty are not SPP eligible at this time. Also, if the SPP option box is not displayed, then SPP is either not eligible for that product or that term.