I believe this is the feature you are looking for. It is the up shift light? The up-shift light
All markets have a web site where you can access the owners manual for free. The US Website is Honda Owners Site | Tips, Tools & Benefits for Honda Owners I believe other UK members have mentioned your local site. A little searching I found Owners | Services For Honda Car Owners | Honda UK and specifically My Honda | Owner's Manual | Honda Auto but CR-Zs are not listed. You can also purchase any of the glove compartment books & the Factory Service Manual for 2010-12 from Honda CR-Z 2012 but it is a US source I presume that similar exists for UK. A dealer can also order them for you.
All markets have a web site where you can access the owners manual for free. The US Website is Honda Owners Site | Tips, Tools & Benefits for Honda Owners I believe other UK members have mentioned your local site. A little searching I found Owners | Services For Honda Car Owners | Honda UK and specifically My Honda | Owner's Manual | Honda Auto but CR-Zs are not listed. You can also purchase any of the glove compartment books & the Factory Service Manual for 2010-12 from Honda CR-Z 2012 but it is a US source I presume that similar exists for UK. A dealer can also order them for you.