When you open the Consent Settings Hub, at the top of the page, you will have the option to select a Data Stream. In the case that you have multiple streams in your property, select one to begin to manage the consent settings for that stream.
Next to this, if you do not have consent signals set up, you will be shown information about the percent of traffic and conversions on your site that are originating from visitors from the EEA. This will help you gauge the impact on your analytics if you do not adhere to the consent policy enforced by Google

If your setup is properly configured and working correctly, instead of this, you will see a green tick and text saying “Receiving consent signals”.
Below this, there are 2 sections to help you to diagnose issues with consent signals on your site. These sections are where you may be alerted by GA4 about potential problems with your consent signal set up. They are split into:
1. Behavioural analytics consent signals
This signal relates to measurement of analytics about user behaviour, such as engagement and event tracking on your website. It is also used for behavioural modelling (where users decline consent).
The cookie parameter that this section is focused on is “analytics_storage”. If your site does not send the required consent signals related to this parameter, GA4 will flag this section by stating “Missing 1 consent signal”.
2. Advertising consent signals
This section covers each of the consent signals related to advertising. These are “ad_storage”, “ad_user_data” and “ad_personalisation”. In the Consent Settings hub, you’ll get an indication about if each signal is working. Next to each of these signals, Google outlines the impact of missing or broken signals in your advertising. For example, issues in measurement of Google Ads, demographics and interest insights, audience remarketing and conversion tracking.
In these sections, GA4 makes it very clear if your signals are working or missing. If they are working, then in the top right corner of the section will be a green statement saying “Active” and there will be ticks next to each signal. If there is an issue with the signals, there will be a grey statement saying “Consent Signals Inactive” in the top right corner of the section. Each of the missing signals will have icons with an “i” next to them.
Below these sections is an “Additional Consent Settings” area where you can select your default consent labels for end-user data from the EAA. Here, you can choose which Google services can receive consented data. These settings are important and allow you to control how data is collected and used, so make sure you take the time to read through these fully before making your selection. These options were previously available in another location in the Admin section of GA4.