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ScaniaPBman

Entering a keyless car when it has a flat battery.

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As the title says, when you return to your keyless car and find the battery flat, how do you get in to release the bonnet and access the battery?

Is there a concealed + & - socket somewhere?

Do you have to break into the vehicle external wiring harness somewhere and power the central locking solenoids from an external source?

For me this is an acedemic question since I only own cars with an old fashioned metal key and external keyhole, but on examining a recent Renault parked next to me yesterday there was no keyhole to be seen anywhere.

ScaniaPBman.

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On the focus when remote battery is dead you remove cover on ign barrel to slot in key & then you press clutch & press push start engine button this key slots out of the remote as mention. Prize out cap with thin flat screwdriver to reveal ign barrel.
Yunii
35c1f91b373fe37724e92991bd75269e.jpg

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Just now, yunii said:

On the focus when remote battery is dead you remove cover on ign barrel to slot in key & then you press clutch & press push start engine button this key slots out of the remote as mention. Prize out cap with thin flat screwdriver to reveal ign barrel.
Yunii
35c1f91b373fe37724e92991bd75269e.jpg

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doesnt explain how you get in the car in the first place my focus rs does not have a key blade hidden in the fob?

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There will be a key blade somewhere in the key.
This type has a blade that pulls out of the top-
http://www.ebay.co.uk/itm/331571545440
This type has a blade behind the back cover-
http://www.ebay.co.uk/itm/252946417714

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I would be thinking maybe this way, but you need a charged car battery beside the car.

Jack car up enough (and support) so you can get to the cable on the starter motor - the think heavy duty cable that goes from car battery to the starter motor.

run a wire from negative battery terminal to the ground of the car (like the engine or gearbox casing). run a wire from the positive battery terminal to the thick cable on the starter motor (the one that goes to the battery in the car).  best to do this carefully whilst you get someone else to operate the remote and open the door AS YOU MUST MAKE SURE YOU DO NOT SHORT CIRCUIT.

If anyone can think of a reason why this would not be OK, please say

 

 

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good luck with that with an under tray most cars are fitted with nowadays. and on a rainy day. lol

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With the emergency key blade you can get into a car with a flat battery even if double locked.
Only the drivers door will open though.

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On my Lexus you can lift open a panel on the door handle insert the key into a slot to pop it out. Look under your door handle you should see a small slot



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What about on the MK3.5?

We have different keys, still got the blade but there isn't the ignition cover I can remove either.

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