alarm system problem

[Hansk 1]

so today i went to a car audio shop to get a 2 way alarm system with remote start. when the guy finally finished the system worked fine and then i realized when the car was off and everything locked.. the brake light and the front caution light wont turn off...... does anybody have any idea why this would be.... its almost 11 at night where im at and the guy told me to come back in the morning which means i have to disconnect my batt so it wont die and the re connect it in the morning.... CAN ANYBODY PLEASE HELP WITH THIS TOPIC..... im very frustrated right now..?????? thanks

[ChargerOn22s 2]

so today i went to a car audio shop to get a 2 way alarm system with remote start. when the guy finally finished the system worked fine and then i realized when the car was off and everything locked.. the brake light and the front caution light wont turn off...... does anybody have any idea why this would be.... its almost 11 at night where im at and the guy told me to come back in the morning which means i have to disconnect my batt so it wont die and the re connect it in the morning.... CAN ANYBODY PLEASE HELP WITH THIS TOPIC..... im very frustrated right now..?????? thanks

How about what car you have?

Year of your car?

Brand of alarm?

Model of alarm?

Have you looked through the troubleshooting of the alarm?