This is a simple video of how to replace the Navara D40 airbag ribbon,
* make sure before you attempt to replace your airbag ribbon*
1. Do the wheel alignment
2. Center the steering wheel and count and steer the wheel to left and right and note down any additional turning. In case if you have additional either to left or right, do not replace the ribbon unless you correct the steering wheel alignment.
This is a secret and only professional knows the trick to save your money
