The vehicles are equipped with a low-maintenance or maintenance-free battery. The battery is recharged by an alternator driven by a pulley on the crankshaft.
The pre-engaged starter has a solenoid relay that causes the pinion gear to mesh with the flywheel/drive plate ring gear when the engine starts.
Warning: When working on the electrical system, the following precautions must be taken to avoid damaging semiconductor devices and causing personal injury.
Warning: Always remove rings, watches and other metal objects when working on electrical systems.
Warning: Do not reverse the battery connection wires.
Warning: Do not disconnect the battery, alternator, jumper cables or instruments while the engine is running.
Warning: Do not test the generator operation by touching the output wire to the vehicle ground.
Warning: Always disconnect the negative battery cable before working on the electrical system.
Warning: Before using electric welding equipment, disconnect the battery, generator and all electronic control units.
(The text is based on materials from the website «Audimanual.ru»)