A:AnswerAll you have to do is turn it on and wait for it to aquire satellites.
If you want to update it, hook it up to your computer and open the website and follow instructions.
A:AnswerThe nüvi 65LMT should already verbally speak directions when it is used by default. If issues occur it is possible the volume is turned down. You can also view the voice the device is using by doing the following: Touch Settings> Touch Language & Keyboard >Touch Voice Language.
If you are having any issues with the voice outside of the that please contact our product support team in the link below:
http://www.garmin.com/us/support/
~JH