Engine Oil (can I use full synthetic in my Sonic?)

[wdgld81]

Can I use a full synthetic oil in my 14 Sonic?

[MetroMPG]

Absolutely. Just follow the recommended viscosity.

[drmagieed]

Absolutely. Just follow the recommended viscosity.

In Egypt with the hot summer I used 5w-40 oil for aveo 2009 with ecotec engine 1.6 l. note that this engine had a high mileage. that's right or what the proper viscosity in my case.
thanks

[drmagieed]

In Egypt with the hot summer I used 5w-40 oil for aveo 2009 with ecotec engine 1.6 l. note that this engine had a high mileage. that's right or what the proper viscosity in my case.
thanks

I there any help!!!

[petrified.rabbit]

With the added heat, I imagine that oil has the right thickness? its not too far off from what is recommended.

Some reading..

Oil Viscosity Explained

[drmagieed]

With the added heat, I imagine that oil has the right thickness? its not too far off from what is recommended.

Some reading..

Oil Viscosity Explained

Thanks so much.