User`s guide
2
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Setting the unlock/lock range
Important! Please read and follow these steps carefully.
1. Go to the Cars tab, and select the “>” next to 
the vehicle name that represents the SmartKey 
system you want to set up. You must be in range 
of the vehicle and connected via Bluetooth. The 
Bluetooth icon on the main UI page appears 
when a connection is detected. 
2.  Press the “Enable SmartKey” button to turn on 
passive locking & unlocking, and to access the 
SmartKey control page.
3.  When the SmartKey control page opens, stand 
approximately 10-15 feet from the vehicle, pref-
erably at a slight angle to the driver’s side.
4.  Press the Set Range button. This establishes your 
current position as the approximate range where 
Unlock will occur, and automatically sets the Lock 
range several feet further away from the vehicle. 
The Unlock/Lock sliders on the SmartKey control 
page move to indicate the updated range thresh-
olds.
5.  Walk away from the vehicle and check that Lock 
occurs within a reasonable distance, and then 
walk back to the vehicle to check that Unlock oc-
curs before you have reached the vehicle.
Note: The actual range varies depending on whether 
you are holding the phone in your hand or have it 
in a pocket, also whether other metal or electronic 
devices are close to the phone. These variances tend 
to be consistent but you should experiment until you 
are comfortable with the programmed range. If you 
aren’t sure the range is set correctly, check with your 
installer. 
Other Viper SmartKey features
1.  To temporarily disable SmartKey, you can send 
an active Lock or Unlock command. This turns off 
passive locking/unlocking activity until you are 
out of range of the vehicle. At that time Smart-
Key reengages and passive locking/unlocking 
resumes.
2.  To turn off SmartKey completely (disable passive 
locking/unlocking), tap the Bluetooth icon on the 
top left of the main SmartStart user inteface page 
and check the pop-up to confirm that SmartKey 
is now disabled. Tap the icon again when you 
want to re-enable SmartKey, otherwise it will re-
main disabled indefinitely.
3.  You can also turn on the SmartLock feature if you 
want to remain in the vicinity of the vehicle with-
out having it lock and unlock repeatedly. When 
SmartLock is active, it defers the lock/unlock de-
cision by a fixed period of time. Moving past 
the lock and unlock thresholds resets these timers, 
preventing the vehicle from locking or unlocking 
until you stay outside the threshold long enough 
for the timers to expire. Tap the SmartLock button 
on the Cars detail page for that vehicle to enable 
SmartLock, tap it again to disable SmartLock. 
4.  Sleep mode is enabled by tapping the Sleep 
Mode button on the Cars detail page. This shuts 
down the module to prevent it from using any 
battery current. Use this if you are parking the ve-
hicle for extended periods of time. You can wake 
the module back up when you return by simply 
sending a Connect request. For iPhone, tap the 
device name on the phone’s Bluetooth device list. 
For Android, from either the main SmartStart user 
interface page or the Cars tab, press the phone’s 
Menu button to pop up a command box in the 
app with the Connect button in it. Press this but-
ton to restart your SmartKey module.
5. Power Saver Mode is automatically entered af-
ter 14 hours of no command activity. This mode 
leaves the SmartKey device active so you can 
connect with it and send commands, but it reduc-
es the auto-connect polling to lower the amount 
of current draw from the battery. The SmartKey 
device automatically exits Power Saver Mode 
when you return to the vehicle or send it a com-
mand.





