Garmin Speak with Amazon Alexa, What You Love About Amazon Alexa- Now in Your car, 010-01862-01 Price: $49.99 (as of 02/06/2019 07:46 PST- Details) & FREE Shipping.

Ask alexa in your car to play music from Amazon music, Pandora, and more; Spotify is not yet Supported, but Garmin speak will be updated with this functionality when/if available
Use Garmin turn-by-turn navigation by saying, “alexa, ask Garmin ”
Ask alexa to create to-do lists, play games, check your calendar, weather/traffic, and control smart home devices

Usually ships in 24 hours