Wonder if anyone else has had this problem?? for the last couple mons after driving my truck then getting out leaving the truck unlocked , when i go back to the truck and open any door and shutting the door the horn starts honking and will not stop until i push the unlock button on the keyless remote .Anyone know of something i'm over looking or some thing for the dealer . will be going to dealer next week for 5000 mile oil change .Help!!!

When you return to the truck, are you having to unlock it before you can opening and shutting the door? If so, it sounds to me like the alarm is arming somehow... I know I have locked and armed mine accidentally with the key fob in my pocket and my doing something that pushes the button within range of the truck. If this is the case and even though I haven't ever done this, if you simply unlock the truck with the key without disarming the alarm with the key fob, I believe the alarm will sound. If I'm wrong about that, I'm sure someone will correct me.

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2007 Tundra Limited Double Cab 4x4 Super White
Key FOB Tailgate Lock (courtesy of Toxarch)
OEM back-up camera w/flip down monitor
Sirius Satellite Radio
20" OEM alloy wheels
Line-X Bed liner
UWS Black Powdercoat Low Profile Toolbox
JC Whitney Black Nerf Bars
Lund Interceptor II Bug Shield
Tekonsha Voyager Brake Controller

no i leave it unlocked in the driveway or in garage . i dont have the limited so i probably dont have in alarmed system ,

According to the Tundra stuff I have read, using the key in the door will deactivate the alarm.

dcrogers, it sounds like your alarm is set to arm itself if left alone for a given amount of time. Most after market alarms have this feature as an option. This is so that if you forget to lock the doors, then the alarm will still set itself and not lock you out of the truck incase your keys are still inside. Not sure about the factory alarm, but I bet it can be set that way. Sounds like that is how yours is set. The dealer should be able to use their computer and change that option for you.

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2007 SR5 Crewmax 5.7L 4x4
Mods: nerf bars, Truxedo tonneau, radar detector power, fog lights, black billet grille, rear differential breather, parking sensors, Line-X, power tailgate lock, hood safety latch mod, one off driving lights behind grille, Pioneer NAV w/ OEM camera, Flowmaster 50 SUV dual/dual, blue LED dash lights, Volant CAI
All mod descriptions and pictures © 2007,2008 by Toxarch. They may be copied only for personal use and the mods may be done for non-profit only.

I think Tox is right. Check the manual for the set up options or look at the pdf here. I think it is page 2-3.

Attached Images

changable-tundra-electronics.pdf (242.6 KB, 24 views)

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2007 Tundra 5.7, Double Cab, SR5, Blue Streak

TRD (stickers removed), de-badged, Volant Intake, Zoomers exhaust , Doug Thorley headers, Leer 100R, Bedrug, Curt front mounted hitch, Sirius interface kit, Tekonsha Prodigy brake controller, OEM alarm activation, Wet Okole seat covers, Stubby Antenna, Folding Rear Seat Mod for Double Cab, Unichip

I have noticed that if I lock the doors, press the unlock button and wait a few minutes, the doors will relock by themselves and the alarm will engage.

I have the engine immobilizer, and had the alarm enabled at the dealer after purchase thanks to knowledge from members here.

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5.7L RC Longbox, 4X4 SR5
I-GUIDE (Covers most common general questions)

You can also have the truck unlocked, hit the unlock button, and the truck will lock about a minute later. Probably just incase you hit the wrong button.

thanks for the much needed informations ,i'll try the pdf if that dosent work i'll have dealer look at it when they do the oil change. thanks