Bestbuy offers Compustar - 2-Way CSX Remote Start System/LTE Module - Installation Included - Black for $299.99 (orig. $649.99) with free shipping.

Product Description:
Operate your car doors easily using this CompuStar two-way vehicle remote system. The unlimited range smartphone control feature lets you lock and unlock your doors from afar through your phone, while the advanced remote smart functions let you set a timed start, cold and hot temperature start and stop-and-go mode. This CompuStar two-way vehicle remote system is compatible with most vehicles that support automatic transmission. 

• Compatible with most vehicles with automatic transmission
  Start your engine from a distance before you get in.
• Two-way LED remote with range up to 3000'
  The remote transmitter lets you start your car while you're still in the house.
• Control your vehicle from anywhere
  With this kit, you can control your car engine from your smartphone from almost unlimited range.
• Advanced remote start functions
  Include timed start, cold and hot temperature start, and stop-and-go mode.
• Keyless entry
  Unlock your vehicle's doors with your key chain remote.
• DroneMobile service
  Comes with a free 30-day trial. After the trial, plans require additional fee with no contract or annual commitment. Pause or cancel service at any time. There are no reactivation charges.