Vehicle power saving method and device

The invention relates to the field of vehicle control, and provides a vehicle power saving method and device. The vehicle power saving method comprises the following steps: a signal of at least one intelligent key button is detected; and when the signal of the at least one intelligent key button is a first combination of preset key signals, the vehicle is controlled to enter a low-power-consumption mode under the condition that the engine of the vehicle is not started. The vehicle can enter the low-power-consumption mode according to requirements, and the electric quantity of a storage batteryis saved. 本发明涉及车辆控制领域，提供一种车辆节电方法和装置。本发明所述的车辆节电方法包括：检测所述至少一个智能钥匙按键的信号；在所述至少一个智能钥匙按键的信号为预设按键信号的第一组合时，当所述车辆发动机不启动的情况下，控制所述车辆进入低功耗模式。可以使车辆根据需求进入低功耗模式，节省蓄电池电量。