GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2007 🢒 HHR 🢒 Transmission/Transaxle 🢒 Automatic Transaxle - 4T45-E 🢒 Horn Component Views
Figure 1:

Left Front of the Vehicle
Object Number: 1652137 Size: LF
(1)Upper Radio Support
(2)Left Front Headlamp Assembly
(3)Horn
Figure 2:

Steering Wheel Components
Object Number: 1651900 Size: LF
(1)Steering Wheel Controls - Left
(2)Steering Wheel Controls - Right
(3)Horn Switch