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                                       Car smart keyless entry system review


1 features: keyless entry - automatic switch lock
a. When you walk into 2.5-3.5 m away from the vehicle, the door will be automatically opened and released anti-theft.
b. When you leave the vehicle for 2.5-3.5 m, the door will automatically locked and enter the security state, the car horn ring out, while bright lights once; if the door is not locked well, the vehicle will alarm 4 times for prompts.

2. Function: Intelligent windows - when car locked, close the window automatically
When you leave the vehicle, and forget to turn off the windows. do not worry, windows will be rise automatically. And a pause in the middle to protect your hand. improve the car security level grately, also not afraid of forgetting to close the windows because of the occurrence of leaks, water spray and other unexpected events --- will not have situation that a car become into a pond.

3 vehicle anti-theft ---- circuit, oil road and starting set three-point lock, the vehicle lock circuit,oil road, starting at the same time, when the alarm was removed illegally , the vehicle will still not be started. (If you are using a network-enabled products, the vehicle will make your default alarm call, when car thieves unplug the alarm system or cut line, or turn OFF the power,)

4 reproduce the scene: Do you think about the serious consequences when you lost you car keys? It doesn't matter! As long as the installation of security systems, the vehicle can not be started without electronic chip even with the original car keys, ;
When you encounter the robbers to intercept the vehicle, there is no need to dispute with the robbers, just leave off the vehicle with the smart key security, the vehicle will not start once the vehicle is turned off.

5 Low battery alarm
When the Intelligent Key's battery power is below of required standards, the car will alarm to prompt (horn sound 4 times), when the intelligent key is near to the car.

6 brake and lock
When driving, the first foot for brake, the car door is automatically locked to prevent thieves robbed and passenger(children) are in dangerous because of a mistake to open the door; auto-unlock when turn off.

what's the keyless entry system

the keyless entry is the intelligent key, you can entry the car without key instead of a key fob.

here is the main function about it.

1. keyless entry functions:
a) when the key close to the car, the car doors automatically unlock and lift the security alert, while the direction light flashes 2 times; when the car key leave the car body, the doors automatically lock and enter the security alert, the turn signal flash 1 time and the horn sound a short sound.

B) the main door's effective detection distance is not less than 1.5 m, other door requirs at the door when effective.

2. windows auto-liter and fortification functions

a) when the key leave from the car along 3-5 meters away, the door automatically lock and enter the security alert state, the trun lights flash one time, the horn sound a short sound.

B) the window will automatically rise.

3. Wireless remote control function:

a) remote lock: press this button, the door lock, turn signals flash 1 time, and the horn sounds one time.

B) remote unlock: press this button, the car door unlock, steering light flashes 2 times, and to lift anti-theft alarm status.

C) finding the car function: click the button, electronic horn ring 8 times, turn signal flash 8 times; If the host detect the key or receive the open door signal, the car automatically terminate search function.

D) wireless remote control distance is not less than 20 meters;

4. anti-theft alarm function:

a) in the security alert status, there are two type of triggers: the one is the side door triggere, the another is the ACC signal trigger. when triggered, the system began to raise the alarm. at this time, electronic horn beep for 30 secods, trun signals flash three minutes.

B) once the auto-theft system has been triggered, the system start-up circuit and oil routes, only anti-theft lifted, it can recoverable.

c)if the security guard system found the door is not properly started off well, then the system sends warning signals: electronic horn beep 8 times, while the direction light flashes 8 times; if the door is not shut off well for 5 seconds, oil and ciruit will be start-up automaticly.

5 other functions:

a) remote control low battery indicator: When the remote control battery is too low, when remote control to open the door, 4 short horn sound well be beep.

b) on-line diagnosis: fault detection system is available online, update system settings is online available.

c) power-saving mode: the use of fuzzy control system can automatically enter power-saving mode.

the basic knowledge of car key chip

1, anti-theft principles of the car key chip

Automobile electronic alarm system make communication with the engine control computer. and only the car key chip code be identified, the car can start the engine.

2, the type of the car key chip
there are three type of chip, including: fixed code, Rolling code, Encryption code.

Fixed code: code fixed and consist of numbers and english letters.(when starting the engine, the data won't change.

Rolling code: each key have different electronic code. the code will be changed, every time stat the vehicle engine using the car key. it's only the chip controller manufacturers konw about the changing program code. and it is difficult to crack through thecar key chip's memory.

Encryption code: encryption code used in the latest and chip controller (adopts two-way data encryption). It is equipped with the internal process algorithm, and used to dencrypt each ecryption information.

3, the code-named of chips

"PH"        Philips chip
"PH / CR"   Philips encryption chip
"PH/CR2"    Philips II encryption chip
"MEG"       U.S. Jiamo Si chip
"MEG / CR"  U.S. Jia Mosi encryption chip
"TEXAS"     Texas chip
"TEX / CR"  Texas encryption chip
"TEMIC"     Tai Mike chip
"TEM / CR"  Tai Mike encryption chip
"MOTPROLA"  Motorola chip
"MEG / SAAB" US Vegas Saab chip

11 - Tai Mike chip (Fiat Auto - fixed code)
12 - Tai Mike chip (Mazda - fixed code)
13 - U.S. Jiamo Si chip (fixed code)
21 - silca chip (fixed code)
22 - silca chip (fixed code)
23 - silca chip (fixed code)
30 - Philips chip (read / write - Fixed Code)
40 - Philips encryption chip (for Opel)
41 - Philips encryption chip (for Nissan cars)
42 - Philips encryption chip (VAG)
44 - Philips encryption chip
45 - Philips encryption chip (for Peugeot)
46 - Philips' second-generation encryption chip
48 - United States Jia Mosi encryption chip
53 - Philips chip (for Audi)
73 - Philips chip (fixed code)
93 - Philips chip (for Daewoo)
4C - Texas chip (fixed code)
4D - Texas encryption chip
8C - Tai Mike encryption chip
8D - Saab chip (not copy)

4D chip:
60 - Texas encryption chip (Universal)
61 - Texas chip (for Mitsubishi Motors 3)
62 - Texas chip (for Mitsubishi Motors 2)
63 - Texas encryption chip (for Ford)
64-- Texas chip (mine for the year 2000 if Chrysler Jeep)
65 - Texas encryption chip (for Suzuki)
66 - Texas chip (for Suzuki Motor 2)
67 - Texas encryption chip (for Toyota / Lexus)
68 - Texas chip (for Toyota / Lexus 2)
XX - Texas encryption chip (new or universal)