Toyota Highlander Service Manual: Door control transmitter

Transmitter battery

REPLACEMENT 1. REMOVE TRANSMITTER BATTERY NOTICE: Special caution should be taken when handling each component as they are precise electronic components. (a) Using a coin or equivalent, open ...

Replacement

1. REGISTRATION OF RECOGNITION CODE HINT: The add mode is used to register a new recognition codes while still retaining codes already registered. This mode is used to add a new transmitter. ...

More about Toyota Highlander:

Precaution
 Before disassembly, clean the outside of the rear differential assy and remove any sand or mud to prevent it from entering the inside of the assembly during disassembly and installation.  When removing a connected part made of light alloy such as a rear differential carrie ...