Method and apparatus are disclosed for communicatively coupling mobile devices to wireless local area networks of vehicles. An example vehicle includes a communication module for a wireless local area network including an internal antenna and an external antenna. The example vehicle also includes an antenna adjuster to communicatively couple, in response to determining a mobile device is inside a vehicle cabin, the internal antenna to the mobile device and to communicatively couple, in response to determining the mobile device is outside of the vehicle cabin, the external antenna to the mobile device.