Start within reach
Shortcuts and Control Center entry points.
FST Smart climateComfort,
naturally.
Download on the App Store For iPhone · Requires iOS 26.0 or later
Ready before you step inside.
Start Smart Preconditioning with Shortcuts. FST checks your place and time rules and vehicle state to prepare a comfortable cabin before you leave.
Place and time rules
Choose when preconditioning can take part.
No entry within 10 minutes
Climate shuts off automatically if nobody enters within 10 minutes of preconditioning.
Small adjustments. A more personal drive.
Weather, cabin and outdoor temperatures, and your comfort preferences help shape the target temperature. Review driving adjustments and learned preferences, or remove a learning record that does not fit.
Comfort on the move
Preferences develop as you use FST.
Climate history
See what FST has quietly taken care of.
A short stop. The same comfort.
Enable hazard-light parking temperature hold and FST responds according to vehicle state. Live Activities clearly show camping and temperature-hold status.
Hazard-light parking hold
Opt in to maintain temperature when vehicle conditions allow.
Camping and hold
See the current mode and target temperature at a glance.
Keep the essentials in sight.
Dynamic Island and Lock Screen Live Activities show temperatures, running modes and the unattended-preconditioning countdown.
Compact Dynamic Island
Press and hold to expand
Preconditioning countdown
See how it fits into your day.
Comfort, from before you leave to after you park.
Your routine. Your say.
Shortcuts and Control Center put preconditioning within reach. The FST switch, vehicle settings and privacy center let you decide where automation takes part.
Stay in control
Pause FST, adjust rules and manage privacy consent.
For supported Tesla accounts and vehicles in mainland China, North America and Asia Pacific. Requires a valid Tesla account and available Fleet API service. Complete official authorization and virtual key pairing before use. Vehicle control depends on connectivity, network conditions and Tesla service availability.
FST is an independent third-party app and is not affiliated with, endorsed by or partnered with Tesla, Inc. Tesla is a trademark of Tesla, Inc.