Viper DS4 is a remote start system that features FREE Bluetooth vehicle control and vehicle status with the Viper SmartStart mobile app. Remotely start, lock, or unlock your vehicle from your smartphone within range up to 150 feet*. Does not require a Viper SmartStart Service Plan.
Viper DS4 is four key mobile technologies integrated into one single device! Viper DS4 equips you to remotely start your vehicle to warm or cool its interior ahead of travel before you even get in! It protects your vehicle through a siren security system. An interface is included, no additional purchase required. And finally, leading Bluetooth Smart® technology makes your smartphone a powerful extension of your vehicle. With a Viper SmartStart Pro or Viper Connect, extend the range of use beyond Bluetooth through a cellular network, connecting you to your vehicle from nearly anywhere in the world!**
Features:
Installation
Professional installation under-the-dash
Alert
Security Alarm alert with siren to deter criminal activity
Delivery of alert notifications over push, text, or email
App
Viper SmartStart app (Version 4.0 or newer release)
Cellular**
4G LTE/3G in United States, Mexico, and Canada (vehicle location)
Range
Bluetooth – up to 150 feet
Global** – anywhere in the world your cellphone works!
Vehicle Control
Remote Start
Lock, Unlock
Trunk, Panic, Aux
Convertible Top
Runtime Remaining
Vehicle Status
Doors
Engine
Hood
Ignition
Locks
Panic
Security
Trunk
Other
Diagnostic Trouble Codes
SmartSchedule
Includes:
Viper DS4V System Module
Temperature Sensor
Universal Wiring Harnesses
Quick Reference Guide
* Operating range is based on line-of-sight and unobstructed testing in ideal conditions. Actual range will vary due to local conditions, including but not limited to environment, terrain, physical obstructions, vehicle location and orientation, interference, and other possible impediments.

** Global range requires a Service Plan and a Viper SmartStart Pro or Viper Connect (sold separately).