The Viper VSS5000, Python PS500 and Avital 5303L are combination car alarms and remote starts with good reviews, as of 2015, according to Car Audio Now. The best car alarm depends on personal preferences and other technological factors.
With its own smartphone application, the Viper VSS5000 allows car owners to secure and start their vehicles with the use of phones or key chain remotes. The Python PS500 includes an option for an application that tracks the car, locks and unlocks doors, creates a panic alert and starts a car from the phone regardless of range. The Avital 5303L uses a remote system to arm and start a car up to 1,500 feet away.