GM Keyless Entry and Push-Button Start

[Super 8]

Yall are missing the connivence of this feature. On my Z06 and TL you have to be pretty dang close to the car for it to pickup the fob.

 

It's also impossible to lock your key in the car with these systems.

 

I'm really frustrated they left the feature out that has been on the vette since 05.

Are you serious? My wife has done it 2X on our CTS. When the battery gets low and left in the car, you are locked out no questions asked.

[chrisuns]

As long as you're mindful person and don't leave your fob around/loose it. PKE - Passive keyless entry, is more reliable than keys. Sorry to tell you, but the silverado/sierra/almost every new gm vehicle's bcm goes through the same authentication process the PKE system's do to start your car with as they do with a key.

How do you think your remote start works? - The BCM receives the request, along with the keyless remote authentication codes, then sends a wake and health request signal to the necessary modules and an ECM start request. - The ignition in a sense isn't one. It's just a gate-keeper to the real mastermind behind the scene. The BCM.

2007.5+ Your key Is nothing but a physical representation. The cut hardly matters, it's the chip inside it that keeps it from starting if the ignition was forced. Goes through the same authentication a PKE would go though. In fact, the keys you've used for the last 15 years likely where based on primitive PKE tech(NFC).(PASSLOCK etc). The only difference is a PKE has a broadcaster on it to shoot the signal further, which is why when the battery dies on the remote you just stuff it in your console.

Not to mention, PKE is almost impossible to hard-wire. It cost 1000s for the machine able to read the authentication challenge the PKE module sends. Then they have to have a master code list from GM to be attempt to crack the code. - Unlikely.

You'll be even more pissed off once you realize the PKE module is 1 part and 5 antennas and a button. Which when the key system is taken off, likely only adds less than $50-100. And yes it can be installed on K2 trucks. Requires bcm reprogramming, the module and antennas. However, with part restrictions and availability for the next several months. Good luck.

[Sir Dan]

And how do you get into the vehicle if the battery goes dead? Is there still a key to turn and unlock the door?

[MikeNH]

And how do you get into the vehicle if the battery goes dead? Is there still a key to turn and unlock the door?

 

Usually the fob has a regular key hidden inside and one door will still have a lock cylinder.

[oldmann]

Holy crap! What will they think of next! Push button transmission maybe? Oh wait, they already did that 40 + something years ago.

Actually it was first used in the Norwalk Motor Car 100 years ago.

[oldmann]

Usually the fob has a regular key hidden inside and one door will still have a lock cylinder.

 

Or in the case of the c6 vette a lock on the trunk that gives access to a pull cable to open the door.

[MikeNH]

I said "usually" dammit.

[txab]

Actually it was first used in the Norwalk Motor Car 100 years ago.

I did use +. I'm covered.

[KARNUT]

Onstar

[kstruckcountry]

I am not a fan of push button start or passive entry. Have driven cars with it and don't like it.

 

What scares me is cars like the Fusion that have no internal manual locks. Friends family has one, they were told if it's in a wreck "it will automatically unlock the doors". Right....

[Audioi]

I love the perimeter key on our new cadillac, but you need to touch the car to make it activate on the newest ones. No more clicking sensors thinking your nearby. Some cars are better than others.

[chrisuns]

I am not a fan of push button start or passive entry. Have driven cars with it and don't like it. What scares me is cars like the Fusion that have no internal manual locks. Friends family has one, they were told if it's in a wreck "it will automatically unlock the doors". Right....

I can understand your personal dislike for a system and support it.

 

However, in the event that vehicle is in a wreck, the SIR module on that model will issue a level 4(Highest priority) can-bus signal to the BCM or DDM to issue a command to unlock all the doors. Sir modules are typically the most reliable and durable units in cars. In the event the the modules where to become disconnected in a wreck, you're likely not alive or in a situation where you should only be removed by medical personal.

[MikeNH]

Doors have unlocked with airbag deployment for ages and I can't say I recall hearing of issues with that.

[kstruckcountry]

I like having a lock that can be operated manually if need be. What if the actuator dies? It's nice to be able to still open the door, inside or out.

[chrisuns]

Well, there are 3 other doors where an actuator is likely working. The only other plausible scenario is if the computer fubar beyond all belief or dead battery. In that case, the driver door handle has a hidden key hole on the underside of it. The keyless start fob has a hidden key, you just separate it like you would to change the battery; and to get out, pull the handles twice. Once to unlock second to open.