a red car shaped light on the dash is always blinking on 2005 Mazda Mazda6

just noticed it yesterday

Asked by for the 2005 Mazda Mazda6
Its your security light for ur cars anti thieft device . Its supost to blink every now and then .if it starts to blink every few seconds or so u have a problem with ur cars security system ...... possibly in wiring harness under the hood .
3 more answers
Check your owners manual for dash icon information. It will tell you what that warning light signifies so you can have the car checked.
is the trunk up on the car -open trunk indicator
If its blinking when the car is off, its just indcating that the passive alarm is activated.