What is the issue with battery optimisation?

If Android consider the Wheely Chauffeur app to be consuming too much energy, it can terminate the app mid-journey, leading to a loss of earnings.

How do I turn off battery optimisation?
Xiamoni

Instructions are based on Xiaomi MI 9, Android 10, 11.0.3 MIUI version and may differ from other MIUI versions.

Huawei

Instructions are based on Huawei, Honor 10, Android 9, EMUI 9.1.0 and may differ from other EMUI versions.

Samsung

Instructions are based on Samsung S9+, Android 9, One UI 1.0 and may differ from other UI versions.

Go to Settings -> Apps
Go to the menu in the top right corner -> Special access
Go to Optimize battery usage
Choose All apps, find, tap the Wheely Chauffeur app and toggle off the optimisation

ASUS

Instructions are based on ASUS ZenPhone, Android 8 and may differ from other UI versions.

Protected apps/App Launch

Go to Settings -> Battery
Go to App launch
Find the Wheely Chauffeur app and toggle the switch to manually. Leave Auto-launch, Secondary launch and Run in background on

Wheely Chauffeur App Issues