1. Disconnect the negative battery cable..
2. Remove the front bumper..
3. Remove the horn..
4. Apply battery positive voltage and connect the ground as shown in the figure and verify the horn beeper sound operation.

If the beep sound cannot be verified, replace the horn.
Horn
Horn Removal/InstallationEngine Disassembly/Assembly [Mzr 2.0, Mzr 2.5]
1. Remove the engine from the transaxle..
2. Remove the generator..
3. Remove the exhaust system..
4. Remove the EGR valve..
5. Remove the intake-air system..
6. Remove the fuel injectors..
7. Remove the ignition coils..
8. Remove the crankshaft position (CKP) sensor..
9. Disassemble ...
Operating Tips for Audio System
WARNING
Always adjust the audio while the
vehicle is stopped:
Do not adjust the audio control
switches while driving the vehicle.
Adjusting the audio while driving
the vehicle is dangerous as it could
distract your attention from the vehicle
operation which could lead ...
Smart City Brake Support
(SCBS)
The Smart City Brake Support (SCBS) system is designed to reduce damage in
the event
of a collision by operating the brake control (SCBS brake) when the system's
laser sensor
(front) detects a vehicle ahead and determines that a collision with a vehicle
ahead is
unavoidable. It may also be ...