This warning light illuminates whenever the charging system isn’t charging the battery with at least a voltage of around 13.5 volts. The Security Indicator Light is Blinking when the car is off now. Green symbols will flash when the vehicle is immobilized. Stops blinking when running. Some anti-theft lights blink by default ( a small red light near the dash, for example is there to warn off thieves ). We think it is the steering lock because we had to replace it on our other … read more To exit valet mode, open the driver’s door and keep the “UNLOCK/ DISARM” button pressed for more than two seconds. Took the key back out and like before, security light is staying on again. ... common way for the system becoming triggered is to simply disconnect the battery to install a new unit or if the battery is allowed to go dead and then jump started. I went back in to try and start it again and the security light was flashing. The time on the clock is wrong now. I turned the key off and tried to turn in back on and the lights and heater and stuff wouldn't even come on now like the battery was COMPLETELY dead. I have a old Toshiba Satellite laptop and replaced the battery pack. I went out and checked all the connections at the battery and stuff and everything was good. The security light started after re-connecting the battery from stereo installation. This may cause the check engine light to flip on. I've looked and read the manual but there was no clear answer as to why the light blinks (other than to say the alarm is armed) Even though I … Laptop Tech Support: 3: Mar 3, 2016: M: My toshiba laptop does not come on The indicator light comes on for only a few s: Laptop Tech Support: 1: Jan 26, 2012 The vehicle is immobilized otherwise. Gear shift is locked. If the security light is blinking the immobilizer system is enabled and will not allow the car to start. Indicator light stays dark. When a battery is faulty or undercharged, it won’t be able to send the right amount of energy to your vehicle’s computer. Since then, the light has been flashing with the key off . The indicator light repeatedly flashes two times while the system is in valet mode. No dice, after 10 minutes the security light is STILL flashing and truck still wouldn't start. The battery was dead. I put the key in the ignition and tried the relearn procedure. One of these symbols lights momentarily to indicate that the ignition switch is locked and will need the proper transponder-equipped key fob to start or re-start. This particular warning can be triggered by a range of issues, so check with a professional to find out what the exact issue is before spending money on … 5. The second issue arose last week when I started it in the morning to move it into the garage, after about three minutes, the alarm came on; had to stop it with from the remote fob. Everything seems to work well. 2009 Nissan Dashboard "security" Indicator Light stays on. Does something need to be reset? The indicator will stop flashing. Should i be worried? When I hooked the battery back up, the security light was flashing and went off. I jump started the car. These are Security and/or Immobilizer System Indicator symbols used by auto manufacturers. Won't start. The security indicator light won't stop blinking, (even when car is turned off-for over an hour) and it just started a day ago (never has before). It never blinked for the last 2 years. If this is some other type of light then disconnect your battery (negative first then positive) for 30 minutes and reconnect in reverse order (positive then … If you drive a newer model car, you may also have a handy battery warning light on your dashboard. Battery and key fobs are good. Your battery looks misshapen, swollen, and plump.