How do you remote start a GMC Sierra 2021?
Remote Vehicle Start✦ Press and release the Lock button and then press and hold the button until the turn signal lamps flash to start the engine from outside the vehicle. After entering the vehicle, turn on the ignition. During a remote start, the engine will run for 10 minutes.
How to reset the computer on a GMC Truck?
Click to expand… Click to expand… Click to expand… Click to expand… Click to expand… This system consists of: the Powertrain Control Module (ECM or PCM), Body Control Module (BCM) or Passkey theft deterrent module, and the ignition lock and key. In most cases, the theft deterrent duties are handled by a Passkey module.
What to do if your GMC Truck wont start?
No relearn is necessary. In this situation, the vehicle will start and run with no problem. If the vehicle won’t start, check your scan tool for a VTD (Vehicle Theft Deterrent) Fail-Enable Mode trouble code, or if the security light on the dash is illuminated.
Where is the fuse block on a GMC Sierra?
The center instrument panel utility block is located underneath the instrument panel, to the left of the steering column. The underhood fuse block in the engine compartment on the driver’s side of the vehicle near the battery. Lift the cover for access to the fuse/relay block.
How does the BCM work on a GMC Truck?
In order for the vehicle to start, the BCM (as well as the Passkey module in other vehicles) must identify the resistor pellet in the key, then the BCM sends a password to the PCM. If this password matches the password stored in the PCM, the system enables fuel delivery.
Where is the owner manual on a GMC Sierra?
To quickly locate information about the vehicle, use the index in the back of the manual. It is an alphabetical list of what is in the manual and the page number where it can be found. Litho in U.S.A. Part No. 15911381 B Second Printing©2008 General Motors Corporation.
How do you adjust the power seat on a GMC Sierra?
Your vehicle may have additional features to adjust your vehicle’s power seat: †Raise or lower the front part of the seat cushion by moving the front of the control up or down. †Raise or lower the rear part of the seat cushion by moving the rear of the control up or down. †Raise or lower the entire seat by moving the entire control up or down.
Where is the head restraint on a GMC Sierra?
To lower the head restraint, press the button, located on the top of the seatback, and push the restraint down. Push down on the head restraint after the button is released to make sure that it is locked in place. The head restraints are not designed to be removed. The rear seat has head rests that can be adjusted up and down.