Subaru 2009 IMPREZA Service Manual page 2468

VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS)
4. CONDITIONS UNDER WHICH TROUBLE OCCURS
Environment a) Weather
b) Ambient temperature
c) Road
d) Road surface
Check List for Interview
VDC(diag)-6
Fine
Cloudy
Rainy
Snowy
Others:
Inner city
Suburbs
Highway
Local street
Uphill
Downhill
Paved road
Gravel road
Muddy road
Sandy place
Straight road
Sharp curve
Gentle curve
S-curve
Road with a slope on both sides
Others:
Dry
Wet
Covered with fresh snow
Covered with hardened snow
Frozen slope
Others:
°C ( °F)