iOS - Settings
Bluetooth Sharing
If you chose 'Don't Allow' when the Pebble App asked to make data available to nearby devices, but wish to change your preferences to allow Bluetooth sharing, you can do so in your iPhone settings menu.
Go to Settings --> Privacy --> Bluetooth Sharing and choose 'on' next to Pebble.
Location Data
If you chose 'Don't Allow' when the Pebble App asked to use your current location, but wish to change your preferences to allow use of your current location, you can do so in your iPhone settings menu.
Go to Settings --> Privacy --> Location Services and choose 'on' next to Pebble.
Push Notifications
If you chose 'Don't Allow' when the Pebble App asks to send you Push Notifications, but wish to change your preferences to allow Push Notifications, you can do so in your iPhone settings menu.
Go to Settings -> Notification Center -> Pebble -> Enable: Banners, Show in Notification and Show in Lock Screen.
Notifications Settings
Learn more about setting up notifications on your iPhone.