# VEHICLE_FLAG_BLOCK_INTERFERENCE

*LSL constant*

```lsl
integer VEHICLE_FLAG_BLOCK_INTERFERENCE = 0x400;
```

Vehicle flag that prevents attachments worn by passengers from pushing the vehicle via llPushObject or other scripting functions.

Constant groups: [VehicleFlag](/constants/groups/VehicleFlag/)

When set, this flag prevents the vehicle you're sitting on from being pushed by an attachment you're wearing.

## See also

### Functions

- [llSetVehicleFlags](/functions/llSetVehicleFlags/)
- [llRemoveVehicleFlags](/functions/llRemoveVehicleFlags/)

### Articles

- [Linden Vehicle Tutorial](https://wiki.secondlife.com/wiki/Linden_Vehicle_Tutorial)

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*Source: [VEHICLE FLAG BLOCK INTERFERENCE](https://wiki.secondlife.com/wiki/VEHICLE_FLAG_BLOCK_INTERFERENCE) on the Second Life Wiki. Content from the Second Life Wiki article VEHICLE FLAG BLOCK INTERFERENCE (revision 1217195, 2024-08-27), CC BY-SA 3.0.*

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From lsl.dev: https://lsl.dev/constants/VEHICLE_FLAG_BLOCK_INTERFERENCE/