See also:

In case a problem occurs
If you cannot activate a device using the corresponding HomeLink® button after programming, contact HomeLink® at www.homelink.com or call 1-800-355- 3515 for assistance. ...

Two separate circuits
Your vehicle has two separate circuit brake systems. Each circuit works diagonally across the vehicle. If one circuit of the brake system should fail, the other half of the system still works. ...

Windshield wiper and washer switches
The wiper operates only when the ignition switch is in the “ON” position. ...