Lost my keyless entry device and now I cant enter my car.

Disarming an Armed System/Silencing an Alarm
If system arming has been requested by the keyless entry transmitter, it must be disarmed.
Important: Using the power door unlock switch or manually unlocking the doors does not disable the CTD armed mode. Also, disconnecting the battery or pulling fuses does not disable the armed mode, since the BCM stores the CTD mode status in memory.
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To disarm the CTD system in arm pending mode, SECURITY indicator flashing and doors open, perform 1 of the following:

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Press the UNLOCK button on the keyless entry transmitter.

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Insert a valid key into the ignition and start the vehicle.

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To disarm the CTD system in the armed mode:

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Press the UNLOCK button on the keyless entry transmitter.

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Insert a valid key into the ignition and start the vehicle.

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To disarm the CTD system when activated, alarming mode.

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Press the UNLOCK button on the keyless entry transmitter.

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Insert a valid key into the ignition and start the vehicle.

remove grille and move latch to open hood-boost battery and use key fob to enter or have locksmith or service station use a slim jim or other type of device to unlock door

I have the 2010 Toyota Venza push to start. I lost the original key, so i bought a new key with the remote and its was programmed successful but this remote only had the three buttons on it, instead of four buttons ( Including the Hutch button). So i bought another new remote with the four buttons today and I want to know if it will work when i switch the programmed key into the new remote?

DEALER

There should be an alarm fuse, you can pull that to shut it off. A GM dealer should be able to set you up with a new keyless entry remote. I'm not sure which fuse it is, but the service manual should tell you. If not, the fuse block cover may tell you as well. Good luck

Step by Step Solution:
1. Check the battery in your Key Fob/Remote, Replace?
2. If after replacing battery and still does not work then may have lost programming, or bad keyless entry module.
3. May need to take to dealer to have programmed or keyless entry module replaced.

Remove fuse labelled "dome" on engine compartment fuse box. unfortunately this also isolates the radio. I have found when re connecting battery alarm goes off. remove "dome" fuse and then replace it. all ok then.

DEALER ONLY

locksmith or dealer

dealer service. they are the only ones who have the hardware and software for this, sorry.