Hi, I'm sure you've checked it but there is a blanking plug hidden behind the exhaust manifold which can leak and the water evapourate due to heat.
Griff
Hi, to check servo - with engine off, pump brake pedal until it goes hard. Keep foot on pedal and start engine and you should feel the pedal sink under servo assistance.
HTH,
Griff
Hi, Funnily enough I've just attended to my fluid this week. What I do every 36,000 service is syphon out the resevoir and re-fill with roughly 1 ltr. This changes it over time and avoid having to bleed the system.
Griff
Hi, Just a thought -if BOTH key fobs are not working could it be the receiver in the headlining that's u/s. Check for good ground and not wet!
Sorry I'm too far away to help with coding a new key.
Griff