A remote car starter can turn your car on, get the temperature right, open the trunk, and even start the engine. It can also be programmed to increase fuel efficiency and reduce idling time. Some models are equipped with a shock sensor and howling siren to prevent unauthorized entry. Some come with additional features such as car monitoring and tracking. These products are ideal for drivers who live in cold climates. The convenience of remote car starters makes them a popular choice among car owners.