Report Flat battery in Interior/Exterior/Lights/Glass/Alarms/ICE/HVAC/Other Posted February 2, 2020 · Edited February 2, 2020 by S2111S . I guess the alarm activates because the access panel is off. Push down on the switch to see if it stops sounding. Standard Elise batteries won't do well over winter unless on a battery conditioner. Once you have a little bit of charge back in the battery the car should respond to the fob.