Nissan X-Trail e-POWER 2023 Owners Manual
8.39.1. Active noise cancellation
The active noise cancellation uses microphones (1) located inside the vehicle to detect engine booming noises. The system then automatically produces a muted engine booming noise through the speakers (2) and woofer (3) to reduce engine booming noise.
If the microphones (1) or the area around it is tapped, abnormal noise may be output from the speaker.
Owners Manual