
Malfunction Possible cause Possible remedy
Garage door or electrical drive does not work.
Distance or transmission angle too great. Try different distances and angles to the receiver.
Garage door or electrical drive not compatible. May not comply with legal requirements and may have to be replaced.
Incorrect programming. Reprogram the garage door opener.
DANGER
20 mm button cells and other lithium batteries will cause serious personal injury and even death within a short time if swallowed.
x Always keep hand-held remote control devices with batteries, spare batteries, as well as dead button cell and larger 20 mm batteries out of the reach of children.
x Get medical attention immediately if you suspect that a battery has been swallowed.
WARNING
Improper use of the HomeLink® Universal Transmitter can cause serious or even fatal per-sonal injury.
x Garage doors operate with enough force to cause serious personal injury.
x Never let anyone get in the way of a garage door when it is opening or closing.
x When programming the HomeLink® Universal Transmitter, you may be operating a garage door or estate gate. Always make sure that people and objects are out of the way to help prevent serious personal injury or property damage.
x When operating the “training” button on a garage door opener with a rolling code, you will need to stand on a ladder or step-stool. Always take extra precautions to prevent falls and serious injury.
x Never use the HomeLink® Universal Transmitter with any garage door opener that does not have the safety stop-and-reverse feature, as required by federal safety standards. This includes any garage door opener model manufactured before April 1, 1982.
x A garage door opener that cannot detect an object, signaling the door to stop and reverse, does not meet current federal safety standards. Using a garage door opener without these features increases the risk of serious injury or death.
x Follow the installation manual and the included safety information from the manufacturer when using the remote-controlled garage door opener or electrical drive.
NOTICE
The wrong batteries can damage the hand-held remote control. Replace a dead battery with one that has the same voltage, size, and specifications.
Please dispose of old batteries properly and in an environmentally responsible manner. Always keep them out of the reach of children.

These dimensions are important because they help determine the way that the forces that arise during towing are applied to the receiver and its attachments to the vehicle. If you buy a ball mount and ball, make sure that they meet the following specifications.
Ball mount dimensions
x The drop height (A) from the center of the ball to the center of the hole for the securing pin on the ball mount must be at least 1 inch (25.4 mm) and at most 27 /8 inches (73 mm).
x The pin-to-ball distance (B) from the center of the ball to the center of the hole for the securing pin on the ball mount must be no more than 7 inches (178 mm).
x The ball diameter must be no more than 17/8 inches (47.6 mm).
A ball mount and ball combination that does not meet these specifications can damage your vehicle
and may even fail in use ⇒ .
Never install a “weight distributing” or “load equalizing” trailer hitch on your vehicle. The vehicle is not
designed for this kind of trailer hitch ⇒ .
WARNING
An improperly installed or unsuitable trailer hitch can cause the trailer to separate from the towing vehicle and result in a major accident with serious personal injuries.
x Have any trailer hitch retrofit or other work on a trailer hitch done by a qualified workshop.
CAUTION
The ball mount sticks out behind the rear bumper and can cause injury to pedestrians and cyclists.
x To reduce the risk of injury in rear-end collisions, and the risk to pedestrians and cyclists when the vehicle is parked, always remove the ball carrier when you are not towing a trailer.
NOTICE
x Never use a ball larger than 17/8 inches (47.6 mm) on your vehicle. The vehicle was not designed to tow heavier trailers with a receiver larger than the specified ball. The increased loads can damage the attachment points for the trailer hitch.
x Never use an adapter to increase the size of the trailer hitch receiver from 17/8 inches (47.6 mm) to 2 inches (50.8 mm) or more than to tow a trailer that is heavier than the maximum permissible trailer weight that your vehicle can tow.
x You can use an adapter if required for the proper installation of a bicycle rack or other similar carrier as long as the maximum weight limits are observed. When using bicycle racks or similar carriers, make sure that the rear lights are not blocked.
x Only use trailer hitches that are approved by the hitch manufacturer for your vehicle and model.