My bonnet has started to open by itself when parked up with the sun on it…
So the alarm goes off

It doesn’t really open, just that the sensor(s) thinks it does

Any guidance appreciated as to where the bonnet opening sensors are located ?
I have lubricated with WD40 the 2 spring loaded rods, and the bonnet catch, but this hasn’t helped.

as you look at the engine the alarm is very top left corner...

replacing the bonnet catch/plunger is one solution or connect the 2 wires together making the sensor think the bonnet is down. ... - .- -.




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Or bend the metal bracket up a bit so the plunger is closer to the bonnet, or put a rubber grommet on the end of the plunger so it’s longer. I did both. No issues since…

 2011 Range Rover Vogue SE 4.4 TDV8

Previous cars :
2003 Range Rover Vogue TD6
1999 Discovery Td5 ES
1995 BMW M5 3.8 6 speed
1992 Range Rover 3.9 Efi Vogue
1992 BMW M5 3.8
1988 BMW 735i SE
1989 Ford Sierra XR4x4 2.9i
1981 Ford Fiesta Supersport

"Or bend the metal bracket up a bit so the plunger is closer to the bonnet, "

I did this too - no issues since. 2012 L322 4.4 TDV8 AB low mileage - a peach
1986 V8 Defender 90 County ex-Swiss Army - Red everything....

My preferred Independent: Roy Hardy. R & B AUTOS LTD, 20 Brook Road, Wimborne, Dorset, BH21 2BH (Ex LR Chief Technician)

When I bought my last FullFat it was probably 6 months before I noticed that the switch button had been taped in the down position. I found out why when I removed the tape..
I ended up buying a new one as I wanted it to be ‘right’. 2017 Jaguar F Pace 25t Portfolio - still part of the JLR family 😀
2009 3.6 V8 (MY2010) - my first ever diesel! - now also gone
2004 4.4 V8 Petrol Vogue - now gone

hi all could you just disconnect it without having any problems new vehicle purchase
2007 supercharged 4.2 java black .sand leather vogue se trim
previous cars .
range rover classic 200 tdi
discovery 1 200 tdi
freelander 2 2008 hse
discovery 1 300 tdi
p38 4.0 ltr man r380 ex royal support vehicle on v5c
discovery td5 man off roader

Suppose you could, but then your bonnet would not be covered by the alarm. The bracket isn’t massively thick and can easily be eased up a bit. That said, if the switch is broken you can disconnect it if you want.

 2011 Range Rover Vogue SE 4.4 TDV8

Previous cars :
2003 Range Rover Vogue TD6
1999 Discovery Td5 ES
1995 BMW M5 3.8 6 speed
1992 Range Rover 3.9 Efi Vogue
1992 BMW M5 3.8
1988 BMW 735i SE
1989 Ford Sierra XR4x4 2.9i
1981 Ford Fiesta Supersport