Scytek Astra A4 Complete Security and Remote Engine Starter System

ScyTek SKU: SC-A4

3.9 / 5.0 based on 7 reviews


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* Two Ultra Slim With Metal Frame 5 Button 1-Way Remote Control
* Built in Parking Light Relay, Programmable (+/-)
* Built in 4 heavy Duty Relays for Remote Starting, Programmable
* Plug in Dual Zone Impact Sensor
* Six Tone Siren 12 Volt
* Plug in User Programmable Coded Override Switch & LED on the Antenna
* Lock, Unlock and Passenger Unlock Outputs (-)
* User Selectable Auto-Lock and Unlock with Ignition
* Interior Light Output (Horn Output (-)
* Output for Starter Interrupt Relay (-)
* Three Programmable Auxiliary Channels, Pulsed, Timed and Latched (-)
* Auto Disarm with Auxiliary 1 (Trunk) Activation Programmable
* Programmable Three Stage Anti Car-Jack Feature
* On-Board Temperature Sensor for Monitoring In-Car Temperature with LCD Remote
* Auto Start Based on the On-Board Real Time Clock Set through LCD Remote
* Auto Start Based On Temperature Threshold Set through LCD Remote
* True RPM Sensing for Real Time Cranking
* Reliable Remote Start In Tactless Mode using Adaptive Digital Processing
* Factory Disarm and Rearm Output (-)
* MobiLink, Cell Phone and Tracking Compatible
* Two Car Operation
* Designed and Assembled in USA

Note Some Cars Will Need Bypass Mod for Remote Start

Ask Us About I data Link
All Scytek Alarms Will Work With Mobile Link GPS And Phone App Control
Lets you upgrade any of ScyTek Remote Start or Alarm systems to Control,
or Locate Your Car From Virtually Anywhere With Your Smartphone or PC.
It can also be used as Stand-alone tracking with Lock/Unlock and Starter Interrupt outputs.

Customer Reviews

Based on 7 reviews
Eric Kimbrough
It work

Work good

Greg K.
The BEST remote start/keyless entry system.

This system truly is one of the best system in the World, its uses top quality components including American made micro processors, Designed, engineered and assembled in the USA by ScyTek .

Good stuff, as always!

I have exclusively used scytek products for nearly a decade now and have never had an issue. Great products. VERY fast shipping with this seller. Impressive.



Remote Start with Armed Output (Orange wire) has Counter-intuitive Logic.

So this unit has a Armed Output (Orange wire) to be used with a relay for 'starter defeat'.This output is used to provide a ground output when the system is armed.The issue comes when you attempt to use the remote starter.The device is still acting as if it is armed; it does remove ground briefly during the engine start, but it connects to ground after starting has completed - disabling the car.So just an FYI - this signal can only be used on the starter line. It can't be used for any other item (ex. Fuel Pump) because of how this works.