What is the small red light on dash just to left of steering column a 1998 Tacoma?

The small red light on the dash just to the left of the steering column in a 1998 Toyota Tacoma is the security light. This light indicates that the vehicle's security system is armed. When the security system is armed, the vehicle's engine will not start if the key is not programmed to the vehicle. The security system can be armed and disarmed using the key fob or the door lock switch.