Vauxhall VECTRA Owner's Manual page 207

202 Drivin g and operatio n
Park ing dista nc e sensors 3
The parking distance sensors mak e reverse
parking easier by measuring the distance
between the vehicle a nd an obsta cle, and
giving a n acoustic signal in the p assenger
compartment.
The sy stem registers distance b y means of
four sensors in each of the front and rear
bumpers.
To activa te
With the ignition switched on, the front and
rear parking distance sensors are
automatically activa ted when reverse g ear
is engag ed.
The parking distance sensors c an also be
activa ted a t speed s of less than 15 mph
(25 km/h) b y pressing the r button on
the instrument panel.
An illumina ted LED a nd an acoustic signal
indicate that it is ready for operation.