Answers for "element implicitly has an 'any' type because expression of type 'any' can't be used to index type 'typeof cars'"

Element implicitly has an 'any' type because expression of type 'string' can't be used to index type

interface IObjectKeys {
  [key: string]: string | number;
}

interface IDevice extends IObjectKeys {
  id: number;
  room_id: number;
  name: string;
  type: string;
  description: string;
}

Element implicitly has an 'any' type because expression of type 'string' can't be used to index type

tsconfig.json

 "compilerOptions": {
   	...
    "noImplicitReturns": true,
    "noImplicitAny": false,
    ...
 }