Nissan X-Trail e-POWER 2023 Owners Manual
5.4.2.17. 
Supplemental Restraint System (SRS) air bag warning light
When the power switch is in the ON position, the Supplemental Restraint System (SRS) air bag warning light illuminates for about 7 seconds and then turns off. This indicates the SRS air bag system is operational.
If any of the following conditions occur, the SRS air bag system and pre-tensioner seat belt need servicing. Have the system checked, and if necessary repaired, by a NISSAN dealer or qualified workshop promptly.
The SRS air bag warning light remains illuminated after about 7 seconds.
The SRS air bag warning light does not illuminate at all.
Unless checked and repaired, the SRS air bag system and/or pre-tensioner seat belt may not function properly. (See
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