A block heater, which is designed to heat the engine and can cost under $30, on a timer set to start one to two hours before driving, does the trick in very cold climates.
用于加热引擎的缸体加热器，带有定时器，设置好于开车前一到二小时启动，其成本通常不超过30 美元，在非常冷的天气使用很管用的。
Sleep timer: set how much time do you want the app to keep backlight on. (can be set from 1 min to 2 hours. )
睡眠计时器：设置某个应用程序保持背光开启的时间长度（可在1分钟至2小时之间设置）。
Sleep timer: set how much time do you want the app to keep backlight on. (can be set from 1 min to 2 hours. )
睡眠计时器：设置某个应用程序保持背光开启的时间长度（可在1分钟至2小时之间设置）。
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