Keyboard shortcuts for Basket chrome extension remain enable by default. You can change the settings anytime by going to 'Options' page by clicking the link in footer section of the extension.
Basket for Chrome has two keyboard shortcuts. You can individually turn them On and Off.
1. You can add the URL/link of current opened page/tab instantly by pressing Ctrl + D (for windows) / Command + D (for Mac)
2. You can view your saved item list instantly by pressing Cltrl + Shift + L (for windows) / Command + Shift + L (for Mac)