Engine compartment overview
Some of the components included in the vehicle's electric drive system are located in the engine compartment. Exercise caution when accessing the engine compartment and only touch what is required for normal maintenance.
Warning
Warning
A number of electrical components in Twin Engine Plug-in Hybrid vehicles use high-voltage current and can be extremely dangerous if handled incorrectly.
- Do not touch anything that is not clearly described in this Owner's Manual.
- Be careful when checking/filling fluids in the engine compartment.
![P5-1507 Engine compartment overview](https://www.volvocars.com/images/support/imgcc806093690e7c6bc0a801524101014f_1_--_--_VOICEpnghigh.png?imwidth=1280)
Coolant expansion tank
Brake fluid reservoir (located on the driver's side)
Washer fluid filler pipe
Fusebox
Air filter
Engine oil filler pipe
![P5-1946-Decal for fan and drivebelt](https://www.volvocars.com/images/support/img43dd5604fbdac22dc0a8015265d2bb94_1_--_--_VOICEpnghigh.png?imwidth=1280)
Note
Warning
Bear in mind that the cooling fan (located at the front of the engine compartment behind the radiator) may start or continue running automatically up to about 6 minutes after the engine is turned off.
Always entrust engine washing to a workshop – an authorized Volvo workshop is recommended. If the engine is hot, there is a risk of fire.
Warning
The ignition system works with extremely high and dangerous voltages. The vehicle electrical system should always be in ignition mode 0 when work in being performed in the engine compartment.
Do not touch any spark plugs or ignition coils when the vehicle electrical system is in ignition mode II or when the engine is warm.