Here's what I found with a 5 second Google of Toyota Matrix bluetooth setup:
Pairing Setup Instructions:
Do not attempt while driving.
1. On the Steering Wheel
* 1. Push the Voice Command Button and wait for a beep before each verbal command.
2. Verbal Commands
* 1. Say "setup"
* 2. Say "phone setup"
* 3. Say "pair phone"
* 4. Say a name for the phone. The system will then repeat the name. (Example: Johns phone)
* 5. Say "confirm" to continue, or "go back" to edit.
3. On the Phone
* 1. Press the "Menu" softkey.
* 2. Select "Settings"
* 3. Select "Wireless & Networks"
* 4. Select "Bluetooth Settings"
* 5. Ensure Bluetooth is ON.
* 6. Select "Scan Devices"
* 7. Select your carkit from the list.
* 8. Ensure the passkey matches on the carkit and phone.
* 9. Select "Pair"
B) Adding an Entry to the Phone Book
1. On the Steering Wheel
* 1. Push the Voice Command Button and wait for a beep before each verbal command.
2. Verbal Commands
* 1. Say "Phone Book"
* 2. Say "add entry"
* 3. Say "by voice"
* 4. Say the phone number. Say each number as a single digit without pausing.
* 5. Say "confirm"
* 6. Say the name to associate with the number.
* 7. Say "confirm"
3. On the Steering Wheel
* 1. To register as a speed dial, push the Voice Command Button
4. Verbal Commands
* 1. Say "set speed dial"
5. On the radio unit
* 1. Push one of the buttons (1-6) on the radio face plate. (Up to 6 names can be registered.)
C) Dialing by Inputting a Number
1. On the Steering Wheel
* 1. Push the Voice Command Button and wait for a beep before each verbal command.
2. Verbal Commands
* 1. Say "dial by number"
* 2. Say the phone number. Say each number as a single digit without pausing.
* 3. Say "dial"
D) Dialing by Inputting a Name
1. On the Steering Wheel
* 1. Push the Voice Command Button and wait for a beep before each verbal command.
2. Verbal Commands
* 1. Say "dial by name"
* 2. Say a registered name or say "list names"
* 3. While the desired name is being played back, say "dial"
