| 摘要 |
<p>A keyless entry cellular phone (10) includes a keyless entry function (22) which may be manually activated to lock (22) and unlock (26) car doors and doors of facilities, and may also be activated through the cellular phone. If the cellular phone is locked in the car (30) and the door cannot be opened, the owner can call the cellular phone from an external phone (65) and, with the proper security codes, command the cellular phone to unlock the car. The cellular phone may be supported in a crackle (36) within the car (30). The crackle (36) may include circuitry (84) for monitoring the power level of the battery of the car (38). If the power drops down below a predetermined threshold, the cellular phone (10) is programmed to call a predetermined number, such as the number of the Automobile Association of America (AAA), a car service center or garage, a cellular phone service center or the car owner's home or work phone number, for example.</p> |
