# VEHICLE_FLAG_NO_DEFLECTION_UP

*LSL constant*

Replaces deprecated `VEHICLE_FLAG_NO_FLY_UP`.

```lsl
integer VEHICLE_FLAG_NO_DEFLECTION_UP = 0x1;
```

Vehicle flag that prevents linear deflection parallel to the world Z-axis, preventing ground vehicles (such as bumper cars) from climbing into the sky.

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

## See also

### Functions

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

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*Source: [VEHICLE FLAG NO DEFLECTION UP](https://wiki.secondlife.com/wiki/VEHICLE_FLAG_NO_DEFLECTION_UP) on the Second Life Wiki. Content from the Second Life Wiki article VEHICLE FLAG NO DEFLECTION UP (revision 1196551, 2015-05-18), CC BY-SA 3.0.*

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