How do I disarm factory alarm and start vehicle?
Unlocked vehicle with door key and the alarm went off. Truck will not start! Need to know
how to disarm and start truck.
Factory Alarm should DisArm by pressing the Unlock Button on Remote or Unlocking Door with Key Otherwise TRY: Disconnect the Positive Battery Cable Open Driver Door & LEAVE Open Turn Ignition Switch to the On position & LEAVE On Reconnect Positive Battery Cable Horn may sound for a few seconds Start vehicle f neither of the above works & it is a Factory Alarm, Dealer will need to check Seurity System for voltage spike or a bad unit
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