Hill and Mountain Roads
Driving on Snow or IceHands-Free Phone
General Information without Touchscreen
To use the hands-free phone on vehicles
without a touchscreen radio, press ,
select Onstar Hands-Free Calling, then enter the desired number.
General Information with Touchscreen
Vehicles with a Hands-Free Phone system can use a Bluetooth-capable cell p ...
Electrical System Overload
The vehicle has fuses and circuit breakers to protect against an electrical system
overload.
When the current electrical load is too heavy, the circuit breaker opens and
closes, protecting the circuit until the current load returns to normal or the problem
is fixed. This greatly reduces the c ...
Braking
Braking action involves perception time and reaction time. Deciding to push the
brake pedal is perception time. Actually doing it is reaction time.
Average driver reaction time is about three-quarters of a second. In that time,
a vehicle moving at 100 km/h (60 mph) travels 20m (66 ft), which co ...