> For the complete documentation index, see [llms.txt](https://navixy.com/docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://navixy.com/docs/user/pt-br/guide/events-and-notifications/vehicle-efficiency.md).

# Eficiência do veículo

- [Alteração no nível de combustível](https://navixy.com/docs/user/pt-br/guide/events-and-notifications/vehicle-efficiency/fuel-level-change.md): Alerta quando o sensor de combustível detectar uma alteração significativa no nível, indicando reabastecimento ou possível furto de combustível. Requer um sensor de nível de combustível configurado por dispositivo.
- [Marcha lenta excessiva](https://navixy.com/docs/user/pt-br/guide/events-and-notifications/vehicle-efficiency/excessive-idling.md): Alerta quando um veículo ficar em marcha lenta por mais tempo do que o limite definido, usando lógica da plataforma ou eventos de hardware. Ajuda a identificar desperdício de combustível e funcionamento desnecessário do motor.
- [Check engine (MIL)](https://navixy.com/docs/user/pt-br/guide/events-and-notifications/vehicle-efficiency/check-engine-mil.md): Receba um alerta quando a Lâmpada Indicadora de Falha (luz de check engine) for ativada em um veículo. Requer um dispositivo GPS com suporte a dados OBD ou CAN.


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