2016 Discovery 4



To avoid serious injury, use extreme caution when removing the jump leads as the engine will be running on the previously disabled vehicle. Components may move at high speed, carry high voltage, or may be hot.

Disconnecting the battery can affect a number of vehicle systems, especially if there is insufficient battery power before disconnection. For example, the alarm may trigger, depending on its state when the battery is disconnected. If the alarm does sound, use the smart key, in the normal way, to disarm the security system. The windows may need recalibrating to operate correctly.


After reconnecting the battery, a number of systems may need to be reset.