- Absolutely fine to take it.
- Don't drive in D in hilly areas. Only S or its equivalent like maybe D2 or even L if it's super steep n you're super slow.
- Naran, neelum isn't really extremely steep.
- When coming down again use D2 or L depending on how steep it is, use minimal brakes n max low gear.
If you can climb nathia gali from abbottabad side then you can go almost anywhere in Pakistan.
Try to maintain momentum when climing. Don't come to static stop on steep climbs.
Yes for very bad potholes and offroading its not the right car. Get an SUV or mini suv ie Corolla, due to its raised height n comfortable suspension.