General points on starting
If the battery has been disconnected the vehicle may exhibit some unusual driving characteristics for approx. 8 kilometres (5 miles) after reconnecting the battery.
This is because the engine management system must realign itself with the engine.
Any unusual driving characteristics during this period may be disregarded.
Starting the engine by towing or pushing
WARNING:
To prevent damage you must not push or tow start your vehicle. Use booster cables and a booster battery. See Using booster cables.
Ignition switchFord Focus Battery and Cables
Vehicles are equipped with a 12-volt, maintenance-free battery.
The battery and cable system consists of the following components:
Battery
Battery cable assembly
Battery tray
The battery is a 12V DC source connected in a negative ground system. The battery
case is sealed with 2 ve ...
Nissan Frontier - Instrument Panel - Keys - Brake system