Operation CHARM: Car repair manuals for everyone.

Test Drive, Performing






Test Drive, Performing

The following checks depend on the vehicle equipment level and the available testing possibilities (city or rural).

- During the road test, check the following:

• Engine: Performance, stalling, idle, acceleration

• Clutch: Driving off, pedal force, smell

• Shift: Easy movement, shift lever position

• Automatic Transmission, Selector lever position, shift lock / ignition key removal lock, shift behavior, instrument panel insert display

• Foot and parking brake: Function, free-play and action, one-sided pull, chatter, squealing.

• ABS-Function: When braking with activated ABS, the brake pedal must pulse noticeably.

• Steering: Function, steering free-play, steering wheel center position when driving straight ahead.

• Tilt/slide sunroof: Function

• Cruise Control System: Function

• MMI function (radio, navigation, etc.)

• Driver Information System (DIS): Functions

• Air conditioning, Function

• Vehicle: Pulling to one side while driving straight ahead (level road)

• Imbalance: Wheels, Driveshafts

• Wheel bearings: Noise

• Engine: Hot-start function