Step  | Action  | Yes  | No  | 
|---|---|---|---|
1  | Did you perform the Diagnostic System Check - Vehicle?  | Go to Step 2  | |
2  | With the keyless entry transmitter, attempt to operate the panic function. Do the horns pulse and the headlamps and the park lamps turn on?  | Go to Testing for Intermittent Conditions and Poor Connections  | Go to Step 3  | 
3  | Do any of the panic functions operate?  | Go to Step 4  | |
4  | Do the horns pulse on and off?  |