她设置了导航去机场。

She set the ___GPS to the airport.

我们使用GPS导航找到了最近的加油站。

We used ___GPS navigation to find the nearest gas station.

我的手机没有内置gps功能，所以我得用外接导航设备。

My phone doesn't have built-in ___GPS, so I need to use an external navigation device.