Starting problem with my 1999 Oldsmobile Alero 3.4l v6.
Just tried to start it. I just tried to start my Olds Alero. I turned the key and it wont turn over. The security light is on the dash. Why is the light on. Do i need to scan for codes, or is there a simple fix for this problem.
Any help would be great !

This is a common problem on this and many other GM vehicle.
You can try this relearn procedure below. It usually will get the car to start.
Attempt to start the engine, then release the key to ON, vehicle will not start.
Observe the SECURITY telltale, after approximately 10 minutes the telltale will turn OFF.
Turn OFF the ignition, and wait 5 seconds.

The vehicle is now ready to relearn the Passlock Sensor Data Code and/or passwords on the next ignition switch transition from OFF to CRANK.

Start the engine, the vehicle has now learned the Passlock Sensor Data Code and/or password.

Best to have a battery charger on during this time to avoid a weak battery.A very weak battery can cause programming failure.
Oldsmobile Alero Theft Relearn Procedure

More Car Repair Help