GM Service Manual Online
For 1990-2009 cars only

The Keyless Access System operates on a radio frequency subject to Federal Communications Commission (FCC) Rules and with Industry Canada.

This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions:

  1. This device may not cause harmful interference.
  2. This device must accept any interference received, including interference that may cause undesired operation.

This device complies with RSS-210 of Industry Canada. Operation is subject to the following two conditions:

  1. This device may not cause interference.
  2. This device must accept any interference received, including interference that may cause undesired operation of the device.

Changes or modifications to this system by other than an authorized service facility could void authorization to use this equipment.

If there is a decrease in the keyless access transmitter range, try this:

    • Check the distance. The transmitter may be too far from the vehicle. It may be necessary to stand closer during rainy or snowy weather.
    • Check the location. Other vehicles or objects may be blocking the signal. Take a few steps to the left or right, hold the transmitter higher, and try again.
    • Check the transmitter's battery. See "Battery Replacement" under Keyless Access System Operation .
    • Make sure that an electronic device such as a cellular phone or lap top computer is not causing interference.
    • If the transmitter is still not working correctly, see your dealer/retailer or a qualified technician for service.