Here you go. Hope it helps

Set up instructions:
1. Remove throttle servo plug from receiver.
2. Plug male failsafe plug into receiver where servo was plugged into, plug servo plug into female plug of failsafe.
3. Do not start car, put transmitter and car power on, apply full braking on transmitter, press and hold set button on failsafe for 5 seconds.
4. Test failsafe by turning transmitter off and leaving car power on, if failsafe is set up properly, brakes will be applied fully when transmitter power is turned off.