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:

Before recharging
When recharging, the battery produces hydrogen gas which is flammable and explosive. Therefore, observe the following before recharging: if recharging with the battery installed on the vehicle, be sure to disconnect the ground cable. Make sure the power switch on the charger is off when ...