Service intervals are covered directly in the manual. To save you time in looking it up there, here is a link and the relevant text:
==========================================================================
Determine when you should bring your car to service and learn how to perform daily and monthly checks to ensure optimal performance.
www.tesla.com
Maintenance Service Intervals
Service Intervals
Tesla recommends the following maintenance items and intervals, as applicable to your vehicle, to ensure continued reliability and efficiency of your Model 3.
For additional information on vehicle alerts, see
Troubleshooting Alerts.
- Brake fluid health check every 4 years (replace if necessary)*.
- A/C desiccant bag replacement every 4** years.
- Cabin air filter replacement every 2 years.
- Clean and lubricate brake calipers every year or 12,500 miles (20,000 km) if in an area where roads are salted during winter.
- Rotate tires every 6,250 miles (10,000 km) or if tread depth difference is 2/32 in (1.5 mm) or greater, whichever comes first.
**A/C desiccant bag replacement can be extended to 6 years on vehicles manufactured between approximately 2017-2021.
*Heavy brake usage due to towing, mountain descents, or performance driving -- especially for vehicles in hot and humid environments -- may necessitate more frequent brake fluid checks and replacements.
Note
Any damage caused by opening the Battery coolant reservoir is excluded from the warranty.
Note
The above intervals are based on typical driving behaviors and scenarios. Depending on various circumstances such as driving behavior, usage, environmental conditions, etc., the above maintenance items may need to be performed more or less frequently than specified. Additionally, the above list should not be considered comprehensive and does not include consumable parts such as windshield wipers, brake pads, low voltage battery (if applicable), etc.