See also:

Using Universal Remote
Press and hold the appropriate Universal Remote button for at least half of a second. The indicator light will come on while the signal is being transmitted. ...

Remote Vehicle Start
If available, this feature allows you to start the engine from outside of the vehicle. It may also start up the vehicle's heating or air conditioning systems and rear window defogger. Normal operatio ...

Battery Replacement
Replace the battery if the REPLACE BATTERY IN REMOTE KEY message displays in the DIC. See ЃgReplace Battery in Remote KeyЃh under Key and Lock Messages on page 5.29. The battery is not recharge ...