Battery goes flat if the key is left in

why does the battery go flat if the key is left in the ignition even though the switch is in the off position?

Asked on 10 September 2012 by Ian

Answered by Honest John
Because of the type of electrical system the car is set up with. Toyotas are similar.
Similar questions
My Honda Civic 1.8 auto (2010) unexpectedly suffered a flat battery and the garage could find nothing wrong. Ten days later it happened again. The garage says it may be the alarm system which will cost...
I recently bought a 2014 Vauxhall Astra GTC and one of the keys only partially works. It will unlock the doors and start the engine, but does not remotely unlock the doors. I have replaced the battery...
I have a Nissan Qashqai (2012 model). The car key is well and truly stuck in the ignition. Can I still lock the car with the key in the ignition? Any advice on how I can free it?
Related models
Practical and comfortable cabin, huge amounts in interior space, great 2.2 i-CTDi diesel engine, well built and reliable, enjoyable to drive.
 

Value my car

Save £75 on Warranty using code HJ75

with MotorEasy

Get a warranty quote

Save 12% on GAP Insurance

Use HJ21 to save on an ALA policy

See offer