Chevrolet Sonic Owner's Manual: Checking Coolant
The vehicle must be on a level surface when checking the coolant level.
It is normal to see coolant moving in the upper coolant hose return line when the engine is running.
Check to see if coolant is visible in the coolant surge tank. If the coolant inside the coolant surge tank is boiling, do not do anything else until it cools down.
If coolant is visible but the coolant level is not at or above the mark pointed to, add a 50/50 mixture of clean drinkable water and DEX-COOL coolant.
Be sure the cooling system is cool before this is done.
What to Use
Warning
Adding only plain water or some other liquid to the cooling system can be
dangerous. Plain water and other liquids, can boil before the proper coolant mixture
will. The coolant warning sy ...
How to Add Coolant to the Coolant Surge Tank
Caution
This vehicle has a specific coolant fill procedure. Failure to follow this
procedure could cause the engine to overheat and be severely damaged.
If no problem is found, check to see if coo ...
Other materials:
Dome Lamps
The dome lamp controls are in the headliner above the rear seats.
(Dome Lamp Override): Press to turn
the lamps off, even when a door is open.
(Door): When the button is returned
to the middle position, the lamps turn on automatically when a door is opened.
| (On): Press to turn on the dom ...
Tires
Every new GM vehicle has high-quality tires made by a leading tire manufacturer.
See the warranty manual for information regarding the tire warranty and where to
get service. For additional information refer to the tire manufacturer.
Warning
. Poorly maintained and improperly used tires are ...
Transmission Indicators and Messages
The following transmission-related indicators and messages may be displayed on
the Instrument Panel Cluster (IPC). For a complete listing and description of all
vehicle indicators and messages, refer to Indicator/Warning
Message Description and Operation.
"TRANSMISSION HOT IDLE ...
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