Technical Description (sample 1)

IOS-CarPlay Overview

IOS-CarPlay, available on select cars, is a safe user-friendly way to use your iPhone in the car. This allows you to do the things you want to do with your iPhone while driving: you can make calls, send and receive messages, get directions, and listen to music in a way that allows you to stay focused on the road.

Connect IOS-Carplay adapter to your iPhone. You can control CarPlay with a word, touch or a twist. CarPlay features Siri voice control and is specially designed for driving scenarios. CarPlay works with your car’s controls: knobs, buttons, touchpad, or touch screen. The apps are reimaged for the car, so you can use them while your eyes and hand stay where they belong.


Layout/ dimension: CarPlay supports several landscapes display resolutions. The system automatically scales app icons based on the resolution display, so they always appear onscreen at the same size.

Display Dimensions: 800p X 480p;   960p X 540p;  1280p X 720p; 1920p X 720p

App Icons: IOS- CarPlay displays an easy to use interface with large icons that iPhone users will instantly recognize.  App icons must come in 120p by 120p (60pt by 60pt @2X) sizes.

Navigation Bar: A navigation bar appears at the top of the screen and enables navigation through the app screens. When a new screen is displayed, a back button proceeded by a chevron labeled with a title of the previous screen appears on the left side of the bar. The right side of the navigation bar contains a control, such as a search button.

Tab Bar: A tab bar appears at the top of an app screen, allowing users to quickly switch between different sections of an app. The number of visible tabs varies based on the display size.


Maps: You can search along your route for nearby gas stations, restaurants, and more. You can use your voice to access Siri. CarPlay also helps to get you to your destination safely by advising which lane to be in to make a turn and showing the speed limit.

Phone: Siri can help you make calls, return calls, and listen to voicemails.

Messages: you can read, reply, and send text messages with the help of Siri. Incoming messages will appear at the top of the display screen. CarPlay can also play audio messages through the car’s speakers.

Music: You can access all your content from iTunes, Apple Music subscription, and additional audio apps. You can ask Siri to play your favorite song, or search music by artist, album or song.

Other apps:  CarPlay supports other apps from your iPhone. Apps developed by car manufactures are also supported. You can personalize your experience by rearranging exactly how your apps appear in CarPlay through settings on your iPhone.


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Technical Writing for Technicians Copyright © 2019 by Will Fleming is licensed under a Creative Commons Attribution 4.0 International License, except where otherwise noted.

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