Cannot Unlock Car - Toyota GT 86 Forums UK
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post #1 of 12 (permalink) Old 24th December 2019, 12:34 Thread Starter
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Cannot Unlock Car

Hi guys,

Looking for some advise, I've had a browse through the forum but cannot find anyone with the same problem as me.

I parked the car with the handbrake off, leaving it in gear because I'd moved parking spaces with the handbrake on because I'm an idiot (I didn't want to leave the handbrake on while it was hot). I locked the car and left it. I was able to get into it 2 days ago to grab something out of the boot. However, today the car will not unlock and the alarm is sounding. I've tried the fob and the key. I've tried wiggling the key around and turning. I've tried holding down buttons on the fob.

It also means I cannot get under the bonnet to connect a battery charger as I've seen this could be a common cause for something like this.

Any other suggestions guys? I'm currently completely locked out and out of ideas.
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post #2 of 12 (permalink) Old 24th December 2019, 12:41
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Can you see if the alarm is still flashing inside the car?

Hold the fob right next to the door handle and pull the handle. If the alarm is sounding the car battery should be ok, is the fob battery dead?
Alternatively get some WD40, spray the door lock and apply abit to the key and try openning it manually - it will be stiff but should open.
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post #3 of 12 (permalink) Old 24th December 2019, 12:45
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The key can require some force to turn to get it to unlock manually, it's usually enough with just the plastic hoop and a lot of force twisting it round but eventually it should click (easier with keyring off). I've had to do this a few times.



After getting a battery monitor I also found out the boot catch was the most likely place to get battery drain if it doesn't see it as closed properly.

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post #4 of 12 (permalink) Old 24th December 2019, 12:47 Thread Starter
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I can't see anything flashing and the alarm has stopped now. I've tried holding the fob next to the handle of both doors and the boot with no success.

The red light flashes on the fob so I assume it's batteries are okay.

I've tried opening it manually but I feel if I twist the key any harder, I'm going to break the key.
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post #5 of 12 (permalink) Old 24th December 2019, 13:13 Thread Starter
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Okay, so a pair of pliers and some patience and I managed to get into the car. However she's completely dead. No sign of any battery life which is strange because there has been no sign of a dying battery over the past couple of weeks.
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post #6 of 12 (permalink) Old 24th December 2019, 13:38
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Quote:
Originally Posted by Mattie941 View Post
Okay, so a pair of pliers and some patience and I managed to get into the car. However she's completely dead. No sign of any battery life which is strange because there has been no sign of a dying battery over the past couple of weeks.
Sadly, the battery failing is a right of passage for 86 owners

If it's still under warranty, Toyota will swap the battery out for you, with little to no fuss.

If your car isn't your daily, consider picking up a CTEK battery charger. There was a thread not long back, where they came out on top, based on folks 1st hand experience.
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post #7 of 12 (permalink) Old 25th December 2019, 10:24
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post #8 of 12 (permalink) Old 2nd January 2020, 10:26 Thread Starter
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So for completion, the car started fine after trickle charging it overnight. I took it to a garage and the mechanic could not find anything wrong with the battery or alternator and I haven't had any problems since.*

Basically, something drained the battery and I'm not sure what. I've read something about the boot latch draining the battery if it is not closed properly, but other than that I don't know what could have caused that.*

PS. before anyone says it, exterior and interior lights were the first thing I checked
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post #9 of 12 (permalink) Old 8th January 2021, 09:46
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Morning!

Got the same thing happening to me right now!

Got a 70 plate manual GT86.
Not used it for about 7 says.

Key Fob will not open the door. The car looks dead, no sensor light inside flashing.

Tried the manual key and it will turn about 45 degrees, no further and does nothing.

How far should the key turn? Do I need pliers??!! Flimsy these keys!
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post #10 of 12 (permalink) Old 8th January 2021, 10:45
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Morning!

Got the same thing happening to me right now!

Got a 70 plate manual GT86.
Not used it for about 7 says.

Key Fob will not open the door. The car looks dead, no sensor light inside flashing.

Tried the manual key and it will turn about 45 degrees, no further and does nothing.

How far should the key turn? Do I need pliers??!! Flimsy these keys!

Common issue with the 86 this.



They should turn about 45 degrees, if the lock is frozen warm it up with water, or if its not use WD40. Jiggle the key until it frees up is often enough. Be careful of using to much pressure people have snapped keys.
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