I do the same in hotel parking lots, it's great to get the car warm.I thought the Smart key was a gimic, but after renting a Dodge Magnum last week, digging out and inserting a key is a major hassle!
08altima35 wrote:on cold mornings i run outside and start my car with the keys in my pocket and then leave the car running to warm while i go back in teh house and drink my dope (coffee). your car will alert you with a loud beeping when your key fob gets outta range, but it will not cause your engine to stop running.